API Reference

64 production tools. One API key. Every endpoint documented with examples, parameters, and pricing.

Tools

$0.001

Cheapest call (x402)

250

Free credits on signup

REST + MCP

Protocols

Base URL: https://archtools.dev · All endpoints accept POST with JSON body · OpenAPI spec

Authentication

Every request requires authentication. Two methods are supported:

Option 1: API Key (recommended)

Pass your key in the x-api-key header. Get one free at archtools.dev/signup.

curl -X POST https://archtools.dev/v1/tools/generate-hash \
  -H "x-api-key: arch_your_key_here" \
  -H "Content-Type: application/json" \
  -d '{"text":"hello","algorithm":"sha256"}'

Option 2: x402 Crypto Payments

Pay per call with USDC on Base — no account needed. Send the X-PAYMENT header with a signed x402 payment proof.

How it works: Call without auth → get 402 Payment Required with pricing → sign payment → resend with X-PAYMENT header.
Pricing endpoint: GET /api/v1/x402/pricing · Full x402 Guide →

# Check pricing for a specific tool
curl https://archtools.dev/api/v1/x402/pricing/web-scrape

# Response: { "tool": "web-scrape", "price_usdc": "0.005", ... }

Quickstart

# 1. Register (key delivered instantly, no email verification)
curl -X POST https://archtools.dev/v1/agent/register \
  -H "Content-Type: application/json" \
  -d '{"email":"[email protected]","plan":"free"}'

# 2. Call any tool
curl -X POST https://archtools.dev/v1/tools/ai-generate \
  -H "x-api-key: arch_YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{"prompt":"What is Arch Tools in one sentence?"}'

Credits & Rate Limits

Every new account gets 250 free credits on signup. Tools cost 1–30 credits per call depending on complexity.

Tier	Price	Rate Limit	Daily Limit
Free	$0	30 req/min	500 req/day
Developer	$19/mo	60 req/min	5,000 req/day
Pro	$49/mo	120 req/min	20,000 req/day
Business	$149/mo	300 req/min	100,000 req/day
Enterprise	Contact Us	Custom	Custom

One-time credit packs: $9 / 5K · $49 / 30K · $199 / 200K. Check usage: GET /v1/agent/usage

Error Codes

Code	Meaning	Action
400	Bad Request	Check the message field for missing params
401	Unauthorized	Invalid or missing API key
402	Payment Required	Insufficient credits or x402 payment needed
429	Rate Limited	Back off and retry with exponential backoff
500	Server Error	Retry with backoff; report if persistent
502	Upstream Error	Third-party service unavailable; retry later

MCP Setup — All Clients

Arch Tools is auto-exposed as MCP functions. One config block works across every MCP-compatible client.

Claude Desktop / Cursor / Windsurf

{
  "mcpServers": {
    "arch-tools": {
      "command": "npx",
      "args": ["-y", "mcp-remote", "https://arch-tools-mcp.onrender.com/sse"],
      "env": { "ARCH_API_KEY": "arch_your_key_here" }
    }
  }
}

Client	Config Location
Claude Desktop (macOS)	~/Library/Application Support/Claude/claude_desktop_config.json
Claude Desktop (Win)	%APPDATA%\Claude\claude_desktop_config.json
Cursor	~/.cursor/mcp.json
Windsurf	~/.codeium/windsurf/mcp_config.json

ChatGPT Custom GPT

Go to chat.openai.com/gpts/editor → Create
Click Actions → Import from URL
Paste: https://archtools.dev/openapi.json
Set auth: API Key → header name x-api-key
Save — your GPT now has all Arch Tools natively

Quick Start by Language

curl -X POST https://archtools.dev/v1/tools/web-scrape \
  -H "x-api-key: arch_your_key_here" \
  -H "Content-Type: application/json" \
  -d '{"url":"https://example.com"}'

const res = await fetch('https://archtools.dev/v1/tools/web-scrape', {
  method: 'POST',
  headers: {
    'x-api-key': 'arch_your_key_here',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({ url: 'https://example.com' })
});
const data = await res.json();
console.log(data);

import requests

res = requests.post(
    "https://archtools.dev/v1/tools/web-scrape",
    headers={"x-api-key": "arch_your_key_here"},
    json={"url": "https://example.com"}
)
print(res.json())

Invoke-RestMethod -Uri "https://archtools.dev/v1/tools/web-scrape" `
  -Method POST `
  -Headers @{ "x-api-key" = "arch_your_key_here"; "Content-Type" = "application/json" } `
  -Body '{"url":"https://example.com"}'

Web & Search

POST /v1/tools/web-scrape POST $0.005

Scrape any public URL. Return HTML, markdown, or plain text. Optional CSS selector for targeted extraction.

Parameter	Type	Description
url	string	required — URL to scrape
format	string	optional — markdown \| html \| text. Default: markdown
selector	string	optional — CSS selector to extract specific element

curl -X POST https://archtools.dev/v1/tools/web-scrape \
  -H "x-api-key: YOUR_KEY" -H "Content-Type: application/json" \
  -d '{"url":"https://example.com","format":"markdown"}'

{
  "ok": true,
  "content": "# Example Domain\n\nThis domain is for use in illustrative examples...",
  "url": "https://example.com",
  "format": "markdown",
  "content_length": 1256
}

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POST /v1/tools/extract-page POST $0.005

Extract clean readable text, links, and metadata from any webpage. Strips ads, nav, and boilerplate.

Parameter	Type	Description
url	string	required — URL to extract
include_links	boolean	optional — Include extracted links. Default: true

curl -X POST https://archtools.dev/v1/tools/extract-page \
  -H "x-api-key: YOUR_KEY" -H "Content-Type: application/json" \
  -d '{"url":"https://example.com"}'

{
  "ok": true,
  "title": "Example Domain",
  "text": "This domain is for use in illustrative examples in documents...",
  "links": ["https://www.iana.org/domains/example"],
  "word_count": 58
}

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POST /v1/tools/search-web POST $0.005

Web search with structured results via DuckDuckGo. Returns titles, URLs, and snippets.

Parameter	Type	Description
query	string	required — Search query
limit	integer	optional — Max results (max 20). Default: 10

curl -X POST https://archtools.dev/v1/tools/search-web \
  -H "x-api-key: YOUR_KEY" -H "Content-Type: application/json" \
  -d '{"query":"best AI tools 2026","limit":5}'

{
  "ok": true,
  "results": [
    { "title": "Top AI Tools 2026", "url": "https://...", "snippet": "..." }
  ],
  "total": 5
}

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POST /v1/tools/web-search POST $0.010

Real-time web search with AI-synthesized answer and source citations. Premium search powered by AI.

Parameter	Type	Description
query	string	required — Search query
limit	integer	optional — Number of source results. Default: 5

curl -X POST https://archtools.dev/v1/tools/web-search \
  -H "x-api-key: YOUR_KEY" -H "Content-Type: application/json" \
  -d '{"query":"What is x402 protocol?"}'

{
  "ok": true,
  "answer": "x402 is an open protocol for HTTP-native micropayments...",
  "sources": [
    { "title": "x402.org", "url": "https://x402.org", "snippet": "..." }
  ]
}

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POST /v1/tools/semantic-search POST $0.008

Neural/semantic web search via Exa AI. Find content by meaning, not just keywords.

Parameter	Type	Description
query	string	required — Natural language search query
num_results	integer	optional — Results to return. Default: 10
include_text	boolean	optional — Include full page text. Default: true

curl -X POST https://archtools.dev/v1/tools/semantic-search \
  -H "x-api-key: YOUR_KEY" -H "Content-Type: application/json" \
  -d '{"query":"tutorials about building AI agents with tool use","num_results":5}'

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POST /v1/tools/news-search POST $0.003

Search real-time news articles by keyword. Returns title, source, date, and URL.

Parameter	Type	Description
query	string	required — News search query
limit	integer	optional — Max articles. Default: 10
language	string	optional — ISO-639-1 code. Default: en

curl -X POST https://archtools.dev/v1/tools/news-search \
  -H "x-api-key: YOUR_KEY" -H "Content-Type: application/json" \
  -d '{"query":"artificial intelligence","limit":5}'

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POST /v1/tools/rss-parse POST $0.004

Parse RSS/Atom feeds into structured JSON with title, link, date, and content.

Parameter	Type	Description
url	string	required — RSS or Atom feed URL
limit	integer	optional — Max items. Default: 20

curl -X POST https://archtools.dev/v1/tools/rss-parse \
  -H "x-api-key: YOUR_KEY" -H "Content-Type: application/json" \
  -d '{"url":"https://hnrss.org/frontpage","limit":5}'

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POST /v1/tools/extract-metadata POST $0.003

Extract OG tags, Twitter Card, word count, and links from a URL or HTML text.

Parameter	Type	Description
url	string	optional — URL to extract metadata from
text	string	optional — Raw HTML to analyze

curl -X POST https://archtools.dev/v1/tools/extract-metadata \
  -H "x-api-key: YOUR_KEY" -H "Content-Type: application/json" \
  -d '{"url":"https://archtools.dev"}'

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POST /v1/tools/screenshot-capture POST $0.010

Capture a screenshot of any webpage. Returns base64-encoded image.

Parameter	Type	Description
url	string	required — URL to screenshot
width	integer	optional — Viewport width. Default: 1280
height	integer	optional — Viewport height. Default: 800
full_page	boolean	optional — Capture full page. Default: false
format	string	optional — png \| jpeg. Default: png

curl -X POST https://archtools.dev/v1/tools/screenshot-capture \
  -H "x-api-key: YOUR_KEY" -H "Content-Type: application/json" \
  -d '{"url":"https://archtools.dev","full_page":true}'

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POST /v1/tools/browser-task POST $0.010

Headless browser automation via Playwright. Click, type, extract, screenshot — automate multi-step browser workflows.

Parameter	Type	Description
url	string	required — Starting URL
steps	array	required — Array of action objects: {action, selector, value}

curl -X POST https://archtools.dev/v1/tools/browser-task \
  -H "x-api-key: YOUR_KEY" -H "Content-Type: application/json" \
  -d '{"url":"https://example.com","steps":[{"action":"extract","selector":"h1"}]}'

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AI & Analysis

POST /v1/tools/ai-generate POST $0.020

AI text generation. Choose from Claude, GPT-4, Grok, or Gemini. Optional system prompt for persona.

Parameter	Type	Description
prompt	string	required — The prompt or question
model	string	optional — claude \| gpt4 \| grok \| gemini. Default: claude
system	string	optional — System prompt / persona
max_tokens	integer	optional — Default: 1024

curl -X POST https://archtools.dev/v1/tools/ai-generate \
  -H "x-api-key: YOUR_KEY" -H "Content-Type: application/json" \
  -d '{"prompt":"Explain quantum computing in 3 sentences","model":"claude"}'

{
  "ok": true,
  "text": "Quantum computing harnesses quantum mechanical phenomena like superposition and entanglement...",
  "model": "claude-sonnet-4-6",
  "tokens_used": 87
}

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POST /v1/tools/ai-oracle POST $0.025

Premium reasoning with structured analysis, confidence levels, and multi-perspective evaluation.

Parameter	Type	Description
question	string	required — Question or topic to analyze
context	string	optional — Additional context
depth	string	optional — quick \| standard \| deep. Default: standard

curl -X POST https://archtools.dev/v1/tools/ai-oracle \
  -H "x-api-key: YOUR_KEY" -H "Content-Type: application/json" \
  -d '{"question":"Should I use serverless or containers for a high-traffic API?","depth":"deep"}'

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POST /v1/tools/summarize POST $0.010

Summarize text in 5 styles: bullets, TLDR, executive, paragraph, or headline.

Parameter	Type	Description
text	string	required — Text to summarize
style	string	optional — bullets \| tldr \| executive \| paragraph \| headline. Default: bullets
max_length	integer	optional — Max summary length in words

curl -X POST https://archtools.dev/v1/tools/summarize \
  -H "x-api-key: YOUR_KEY" -H "Content-Type: application/json" \
  -d '{"text":"Long article text here...","style":"tldr"}'

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POST /v1/tools/sentiment-analysis POST $0.008

Sentiment analysis with emotion detection (joy, anger, fear, surprise, sadness, disgust).

Parameter	Type	Description
text	string	required — Text to analyze

curl -X POST https://archtools.dev/v1/tools/sentiment-analysis \
  -H "x-api-key: YOUR_KEY" -H "Content-Type: application/json" \
  -d '{"text":"This product is absolutely amazing! Best purchase ever."}'

{
  "ok": true,
  "sentiment": "positive",
  "score": 0.95,
  "emotions": { "joy": 0.89, "surprise": 0.12, "anger": 0.01 }
}

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POST /v1/tools/extract-entities POST $0.008

Named entity recognition: extract people, organizations, locations, dates, and money from text.

Parameter	Type	Description
text	string	required — Text to extract entities from

curl -X POST https://archtools.dev/v1/tools/extract-entities \
  -H "x-api-key: YOUR_KEY" -H "Content-Type: application/json" \
  -d '{"text":"Tim Cook announced Apple will invest $500M in Austin, Texas by March 2026."}'

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POST /v1/tools/regex-generate POST $0.008

Generate regex patterns from plain English descriptions with explanations and optional test results.

Parameter	Type	Description
description	string	required — Plain English description of the pattern
test_strings	array	optional — Strings to test against

curl -X POST https://archtools.dev/v1/tools/regex-generate \
  -H "x-api-key: YOUR_KEY" -H "Content-Type: application/json" \
  -d '{"description":"match US phone numbers like (555) 123-4567","test_strings":["(555) 123-4567","hello"]}'

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POST /v1/tools/pii-detect POST $0.010

Detect and optionally redact personally identifiable information (emails, phones, SSNs, credit cards).

Parameter	Type	Description
text	string	required — Text to scan for PII
redact	boolean	optional — Return redacted version. Default: false

curl -X POST https://archtools.dev/v1/tools/pii-detect \
  -H "x-api-key: YOUR_KEY" -H "Content-Type: application/json" \
  -d '{"text":"Contact [email protected] or call 555-0123","redact":true}'

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POST /v1/tools/readability-score POST $0.002

Flesch-Kincaid readability score and grade level analysis.

Parameter	Type	Description
text	string	required — Text to analyze

curl -X POST https://archtools.dev/v1/tools/readability-score \
  -H "x-api-key: YOUR_KEY" -H "Content-Type: application/json" \
  -d '{"text":"The quick brown fox jumps over the lazy dog."}'

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POST /v1/tools/language-detect POST $0.003

Detect the language of text with confidence score. Supports 100+ languages.

Parameter	Type	Description
text	string	required — Text to detect language of

curl -X POST https://archtools.dev/v1/tools/language-detect \
  -H "x-api-key: YOUR_KEY" -H "Content-Type: application/json" \
  -d '{"text":"Bonjour le monde"}'

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POST /v1/tools/research-report POST $0.015

Generate a structured research report on any topic with sources. Three depth levels.

Parameter	Type	Description
topic	string	required — Research topic or question
depth	string	optional — brief \| standard \| comprehensive. Default: standard
format	string	optional — markdown \| json. Default: markdown

curl -X POST https://archtools.dev/v1/tools/research-report \
  -H "x-api-key: YOUR_KEY" -H "Content-Type: application/json" \
  -d '{"topic":"State of AI agents in 2026","depth":"comprehensive"}'

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POST /v1/tools/fact-check POST $0.010

Verify claims against real-time web sources. Returns verdict, confidence, and supporting sources.

Parameter	Type	Description
claim	string	required — The claim to verify
context	string	optional — Additional context

curl -X POST https://archtools.dev/v1/tools/fact-check \
  -H "x-api-key: YOUR_KEY" -H "Content-Type: application/json" \
  -d '{"claim":"The Great Wall of China is visible from space"}'

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POST /v1/tools/workflow-agent POST $0.025

Multi-step AI agent that chains tools together. Describe a goal — the agent plans and executes automatically.

Parameter	Type	Description
goal	string	required — High-level goal
tools	array	optional — Restrict to specific tool names
max_steps	integer	optional — Max tool calls. Default: 5

curl -X POST https://archtools.dev/v1/tools/workflow-agent \
  -H "x-api-key: YOUR_KEY" -H "Content-Type: application/json" \
  -d '{"goal":"Get Bitcoin price and write a 2-sentence market summary","max_steps":3}'

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Sessions

POST /v1/tools/session-create POST $0.005

Create a managed conversation session with memory. Returns a session ID for multi-turn conversations.

Parameter	Type	Description
system	string	optional — System prompt for the session
model	string	optional — claude \| gpt4 \| grok \| gemini. Default: claude
ttl	integer	optional — Session TTL in seconds. Default: 3600

curl -X POST https://archtools.dev/v1/tools/session-create \
  -H "x-api-key: YOUR_KEY" -H "Content-Type: application/json" \
  -d '{"system":"You are a helpful coding assistant","model":"claude"}'

{
  "ok": true,
  "session_id": "sess_abc123def456",
  "model": "claude",
  "ttl": 3600,
  "expires_at": "2026-03-17T08:00:00Z"
}

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POST /v1/tools/session-message POST $0.020

Send a message in an existing conversation session. Maintains full conversation history.

Parameter	Type	Description
session_id	string	required — Session ID from session-create
message	string	required — User message

curl -X POST https://archtools.dev/v1/tools/session-message \
  -H "x-api-key: YOUR_KEY" -H "Content-Type: application/json" \
  -d '{"session_id":"sess_abc123def456","message":"How do I sort an array in Python?"}'

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Image & Video

POST /v1/tools/image-generate POST $0.030

Generate images from text prompts. Returns a URL to the generated image.

Parameter	Type	Description
prompt	string	required — Image description
size	string	optional — 1024x1024 \| 1792x1024 \| 1024x1792. Default: 1024x1024
style	string	optional — vivid \| natural. Default: vivid

curl -X POST https://archtools.dev/v1/tools/image-generate \
  -H "x-api-key: YOUR_KEY" -H "Content-Type: application/json" \
  -d '{"prompt":"A cyberpunk cityscape at night, neon lights, rain","size":"1792x1024"}'

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POST /v1/tools/design-create POST $0.030

Generate images via DALL-E 3. HD quality option. Three sizes, vivid or natural style.

Parameter	Type	Description
prompt	string	required — Image description
size	string	optional — 1024x1024 \| 1792x1024 \| 1024x1792. Default: 1024x1024
quality	string	optional — standard \| hd. Default: standard
style	string	optional — vivid \| natural. Default: vivid

curl -X POST https://archtools.dev/v1/tools/design-create \
  -H "x-api-key: YOUR_KEY" -H "Content-Type: application/json" \
  -d '{"prompt":"Minimalist logo for a tech startup","quality":"hd","style":"natural"}'

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POST /v1/tools/image-remove-bg POST $0.010

Remove background from any image via RemoveBG. Returns transparent PNG.

Parameter	Type	Description
image_url	string	optional — Public URL of the image
image_base64	string	optional — Base64-encoded image
size	string	optional — preview \| full \| auto. Default: auto

curl -X POST https://archtools.dev/v1/tools/image-remove-bg \
  -H "x-api-key: YOUR_KEY" -H "Content-Type: application/json" \
  -d '{"image_url":"https://example.com/photo.jpg","size":"full"}'

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POST /v1/tools/video-generate POST $0.100

AI video generation from text prompts via Runway Gen-3. 4 or 10 second clips.

Parameter	Type	Description
prompt	string	required — Text description of the video
duration	integer	optional — 4 or 10 seconds. Default: 4

curl -X POST https://archtools.dev/v1/tools/video-generate \
  -H "x-api-key: YOUR_KEY" -H "Content-Type: application/json" \
  -d '{"prompt":"A drone shot flying over a tropical island at sunset","duration":10}'

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Audio

POST /v1/tools/text-to-speech POST $0.010

Convert text to natural-sounding speech via ElevenLabs. Returns base64-encoded MP3. 50+ voices.

Parameter	Type	Description
text	string	required — Text to convert (max 5,000 chars)
voice_id	string	optional — ElevenLabs voice ID. Default: EXAVITQu4vr4xnSDxMaL (Sarah)
model_id	string	optional — Default: eleven_turbo_v2_5
stability	number	optional — Voice stability 0–1. Default: 0.42
similarity_boost	number	optional — Clarity 0–1. Default: 0.82

curl -X POST https://archtools.dev/v1/tools/text-to-speech \
  -H "x-api-key: YOUR_KEY" -H "Content-Type: application/json" \
  -d '{"text":"Hello from Arch Tools!","voice_id":"EXAVITQu4vr4xnSDxMaL"}'

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POST /v1/tools/transcribe-audio POST $0.012

Transcribe audio to text via OpenAI Whisper. Pass a public audio URL. 100+ languages.

Parameter	Type	Description
audio_url	string	required — Public URL (MP3, WAV, M4A, OGG, WEBM)
language	string	optional — ISO-639-1 hint. Auto-detected if omitted.
prompt	string	optional — Context hint for accuracy

curl -X POST https://archtools.dev/v1/tools/transcribe-audio \
  -H "x-api-key: YOUR_KEY" -H "Content-Type: application/json" \
  -d '{"audio_url":"https://example.com/audio.mp3","language":"en"}'

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Crypto

POST /v1/tools/crypto-price POST $0.001

Get current price, 24h change, market cap, and volume for any cryptocurrency.

Parameter	Type	Description
symbol	string	required — CoinGecko ID (e.g. bitcoin, ethereum, solana)

curl -X POST https://archtools.dev/v1/tools/crypto-price \
  -H "x-api-key: YOUR_KEY" -H "Content-Type: application/json" \
  -d '{"symbol":"bitcoin"}'

{
  "ok": true,
  "symbol": "bitcoin",
  "price_usd": 84521.30,
  "change_24h": 2.45,
  "market_cap": 1672000000000,
  "volume_24h": 28400000000
}

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POST /v1/tools/crypto-market-cap POST $0.001

Get top cryptocurrencies ranked by market cap with prices and 24h changes.

Parameter	Type	Description
limit	integer	optional — Number of coins. Default: 10
currency	string	optional — Fiat currency. Default: usd

curl -X POST https://archtools.dev/v1/tools/crypto-market-cap \
  -H "x-api-key: YOUR_KEY" -H "Content-Type: application/json" \
  -d '{"limit":5}'

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POST /v1/tools/crypto-ohlcv POST $0.002

Get OHLCV (candlestick) data for a cryptocurrency over N days.

Parameter	Type	Description
symbol	string	required — CoinGecko ID
days	integer	optional — 1, 7, 14, 30, 90, 180, 365. Default: 7

curl -X POST https://archtools.dev/v1/tools/crypto-ohlcv \
  -H "x-api-key: YOUR_KEY" -H "Content-Type: application/json" \
  -d '{"symbol":"ethereum","days":30}'

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POST /v1/tools/crypto-fear-greed POST $0.001

Crypto Fear & Greed Index — current value and historical data.

Parameter	Type	Description
limit	integer	optional — Historical entries (1 = current). Default: 1

curl -X POST https://archtools.dev/v1/tools/crypto-fear-greed \
  -H "x-api-key: YOUR_KEY" -H "Content-Type: application/json" \
  -d '{"limit":7}'

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POST /v1/tools/crypto-sentiment POST $0.002

Get community sentiment for a cryptocurrency — bullish/bearish/neutral with social signals.

Parameter	Type	Description
symbol	string	required — CoinGecko ID

curl -X POST https://archtools.dev/v1/tools/crypto-sentiment \
  -H "x-api-key: YOUR_KEY" -H "Content-Type: application/json" \
  -d '{"symbol":"bitcoin"}'

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POST /v1/tools/crypto-news POST $0.002

Latest crypto news from CoinDesk, CoinTelegraph, Bitcoin Magazine. Filter by coin.

Parameter	Type	Description
symbol	string	optional — Filter by symbol (e.g. BTC, ETH). Omit for general.
limit	integer	optional — Max articles (max 20). Default: 10

curl -X POST https://archtools.dev/v1/tools/crypto-news \
  -H "x-api-key: YOUR_KEY" -H "Content-Type: application/json" \
  -d '{"symbol":"ETH","limit":5}'

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POST /v1/tools/token-lookup POST $0.001

Search CoinGecko for a token by name or ticker. Returns the CoinGecko ID for use with other crypto tools.

Parameter	Type	Description
query	string	required — Token name or ticker (e.g. "bitcoin", "BTC", "solana")

curl -X POST https://archtools.dev/v1/tools/token-lookup \
  -H "x-api-key: YOUR_KEY" -H "Content-Type: application/json" \
  -d '{"query":"SOL"}'

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Utility

POST /v1/tools/validate-data POST $0.001

Validate JSON data against a JSON Schema. Returns field-level errors.

Parameter	Type	Description
data	object	required — JSON data to validate
schema	object	required — JSON Schema to validate against

curl -X POST https://archtools.dev/v1/tools/validate-data \
  -H "x-api-key: YOUR_KEY" -H "Content-Type: application/json" \
  -d '{"data":{"name":"Brad","age":43},"schema":{"type":"object","required":["name"],"properties":{"name":{"type":"string"},"age":{"type":"number"}}}}'

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POST /v1/tools/generate-hash POST $0.001

Generate cryptographic hashes — SHA256, SHA512, MD5, SHA1.

Parameter	Type	Description
text	string	required — Text to hash
algorithm	string	optional — sha256 \| sha512 \| md5 \| sha1. Default: sha256

curl -X POST https://archtools.dev/v1/tools/generate-hash \
  -H "x-api-key: YOUR_KEY" -H "Content-Type: application/json" \
  -d '{"text":"hello world","algorithm":"sha256"}'

{
  "ok": true,
  "hash": "b94d27b9934d3e08a52e52d7da7dabfac484efe37a5380ee9088f7ace2efcde9",
  "algorithm": "sha256"
}

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POST /v1/tools/generate-uuid POST $0.001

Generate UUIDs, random tokens, or API-key-format strings.

Parameter	Type	Description
type	string	optional — uuid \| token \| api-key. Default: uuid
count	integer	optional — Number to generate. Default: 1
length	integer	optional — Length for token/api-key. Default: 32

curl -X POST https://archtools.dev/v1/tools/generate-uuid \
  -H "x-api-key: YOUR_KEY" -H "Content-Type: application/json" \
  -d '{"type":"api-key","count":3}'

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POST /v1/tools/qr-code POST $0.002

Generate QR codes as PNG or SVG. Base64 encoded.

Parameter	Type	Description
text	string	required — Text or URL to encode
size	integer	optional — Image size in pixels. Default: 200
format	string	optional — png \| svg. Default: png

curl -X POST https://archtools.dev/v1/tools/qr-code \
  -H "x-api-key: YOUR_KEY" -H "Content-Type: application/json" \
  -d '{"text":"https://archtools.dev","size":300}'

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POST /v1/tools/barcode-generate POST $0.002

Generate barcodes in CODE128, EAN13, UPC, CODE39, or ITF14 format.

Parameter	Type	Description
text	string	required — Text or number to encode
format	string	optional — CODE128 \| EAN13 \| UPC \| CODE39 \| ITF14. Default: CODE128
width	integer	optional — Bar width. Default: 2
height	integer	optional — Bar height px. Default: 100

curl -X POST https://archtools.dev/v1/tools/barcode-generate \
  -H "x-api-key: YOUR_KEY" -H "Content-Type: application/json" \
  -d '{"text":"123456789","format":"CODE128"}'

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POST /v1/tools/convert-format POST $0.002

Convert between JSON, YAML, CSV, XML, and TOML.

Parameter	Type	Description
input	string	required — Content to convert
from	string	required — Source format: json \| yaml \| csv \| xml \| toml
to	string	required — Target format

curl -X POST https://archtools.dev/v1/tools/convert-format \
  -H "x-api-key: YOUR_KEY" -H "Content-Type: application/json" \
  -d '{"input":"{\"name\":\"Brad\",\"age\":43}","from":"json","to":"yaml"}'

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POST /v1/tools/transform-text POST $0.003

Transform text in 10 modes: slug, camelCase, snake_case, PascalCase, kebab-case, upper, lower, title, base64 encode/decode.

Parameter	Type	Description
text	string	required — Text to transform
mode	string	required — slug \| camel \| snake \| pascal \| kebab \| upper \| lower \| title \| base64_encode \| base64_decode

curl -X POST https://archtools.dev/v1/tools/transform-text \
  -H "x-api-key: YOUR_KEY" -H "Content-Type: application/json" \
  -d '{"text":"hello world example","mode":"camel"}'

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POST /v1/tools/diff-text POST $0.002

Structured diff between two texts. Output in unified, words, chars, or JSON format.

Parameter	Type	Description
text1	string	required — Original text
text2	string	required — Modified text
mode	string	optional — unified \| words \| chars \| json. Default: unified

curl -X POST https://archtools.dev/v1/tools/diff-text \
  -H "x-api-key: YOUR_KEY" -H "Content-Type: application/json" \
  -d '{"text1":"The quick brown fox","text2":"The slow brown dog","mode":"words"}'

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POST /v1/tools/html-to-markdown POST $0.003

Convert HTML content to clean Markdown. Pass raw HTML or a URL.

Parameter	Type	Description
html	string	optional — Raw HTML to convert
url	string	optional — Fetch and convert from URL

curl -X POST https://archtools.dev/v1/tools/html-to-markdown \
  -H "x-api-key: YOUR_KEY" -H "Content-Type: application/json" \
  -d '{"html":"Hello
World
"}'

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POST /v1/tools/jsonpath-query POST $0.001

Run a JSONPath expression against a JSON object.

Parameter	Type	Description
data	object	required — JSON to query
path	string	required — JSONPath expression (e.g. $.store.book[*].title)

curl -X POST https://archtools.dev/v1/tools/jsonpath-query \
  -H "x-api-key: YOUR_KEY" -H "Content-Type: application/json" \
  -d '{"data":{"users":[{"name":"Alice"},{"name":"Bob"}]},"path":"$.users[*].name"}'

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POST /v1/tools/url-shorten POST $0.001

Shorten a URL.

Parameter	Type	Description
url	string	required — Long URL to shorten

curl -X POST https://archtools.dev/v1/tools/url-shorten \
  -H "x-api-key: YOUR_KEY" -H "Content-Type: application/json" \
  -d '{"url":"https://archtools.dev/docs#authentication"}'

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POST /v1/tools/webhook-send POST $0.002

Send a JSON payload to any webhook URL. Supports GET, POST, PUT, PATCH, DELETE.

Parameter	Type	Description
webhook_url	string	required — Webhook endpoint URL
payload	object	required — JSON body to send
headers	object	optional — Custom headers
method	string	optional — GET \| POST \| PUT \| PATCH \| DELETE. Default: POST

curl -X POST https://archtools.dev/v1/tools/webhook-send \
  -H "x-api-key: YOUR_KEY" -H "Content-Type: application/json" \
  -d '{"webhook_url":"https://hooks.slack.com/services/xxx","payload":{"text":"Hello from Arch Tools!"}}'

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POST /v1/tools/currency-convert POST $0.002

Convert between 170+ currencies with live exchange rates.

Parameter	Type	Description
amount	number	required — Amount to convert
from	string	required — Source currency (e.g. USD)
to	string	required — Target currency (e.g. EUR)

curl -X POST https://archtools.dev/v1/tools/currency-convert \
  -H "x-api-key: YOUR_KEY" -H "Content-Type: application/json" \
  -d '{"amount":100,"from":"USD","to":"EUR"}'

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POST /v1/tools/timezone-convert POST $0.001

Convert datetime between any two IANA timezones.

Parameter	Type	Description
datetime	string	required — ISO 8601 datetime
from_tz	string	required — Source IANA timezone (e.g. America/New_York)
to_tz	string	required — Target IANA timezone (e.g. Europe/London)

curl -X POST https://archtools.dev/v1/tools/timezone-convert \
  -H "x-api-key: YOUR_KEY" -H "Content-Type: application/json" \
  -d '{"datetime":"2026-03-17T09:00:00","from_tz":"America/New_York","to_tz":"Asia/Tokyo"}'

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Identity & Communications

POST /v1/tools/email-verify POST $0.003

Validate email with MX record check and disposable domain detection.

Parameter	Type	Description
email	string	required — Email address to verify

curl -X POST https://archtools.dev/v1/tools/email-verify \
  -H "x-api-key: YOUR_KEY" -H "Content-Type: application/json" \
  -d '{"email":"[email protected]"}'

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POST /v1/tools/email-send POST $0.003

Send transactional emails via Resend — plain text or HTML. From [email protected] by default.

Parameter	Type	Description
to	string	required — Recipient email
subject	string	required — Subject line
body	string	required* — Plain text body (or use html)
html	string	optional — HTML body (alternative to body)
from	string	optional — Sender. Default: [email protected]

⚠️ You are responsible for CAN-SPAM / GDPR compliance.

curl -X POST https://archtools.dev/v1/tools/email-send \
  -H "x-api-key: YOUR_KEY" -H "Content-Type: application/json" \
  -d '{"to":"[email protected]","subject":"Hello","body":"Message body"}'

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POST /v1/tools/email-find POST $0.005

Find email address for a person at a company via Hunter.io.

Parameter	Type	Description
domain	string	required — Company domain (e.g. google.com)
first_name	string	optional — Person's first name
last_name	string	optional — Person's last name

curl -X POST https://archtools.dev/v1/tools/email-find \
  -H "x-api-key: YOUR_KEY" -H "Content-Type: application/json" \
  -d '{"domain":"stripe.com","first_name":"Patrick","last_name":"Collison"}'

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POST /v1/tools/phone-validate POST $0.002

Validate phone number — E.164 format, type, country code.

Parameter	Type	Description
phone	string	required — Phone number to validate
country	string	optional — ISO 3166-1 alpha-2 code (e.g. US, GB)

curl -X POST https://archtools.dev/v1/tools/phone-validate \
  -H "x-api-key: YOUR_KEY" -H "Content-Type: application/json" \
  -d '{"phone":"+15551234567"}'

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POST /v1/tools/ip-lookup POST $0.002

IP geolocation — country, city, ISP, ASN, VPN/proxy detection.

Parameter	Type	Description
ip	string	optional — IP address (uses caller's IP if omitted)

curl -X POST https://archtools.dev/v1/tools/ip-lookup \
  -H "x-api-key: YOUR_KEY" -H "Content-Type: application/json" \
  -d '{"ip":"8.8.8.8"}'

{
  "ok": true,
  "ip": "8.8.8.8",
  "country": "US",
  "city": "Mountain View",
  "isp": "Google LLC",
  "is_vpn": false
}

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POST /v1/tools/whois-lookup POST $0.003

Domain WHOIS via RDAP — registration, expiry, nameservers.

Parameter	Type	Description
domain	string	required — Domain name (e.g. example.com)

curl -X POST https://archtools.dev/v1/tools/whois-lookup \
  -H "x-api-key: YOUR_KEY" -H "Content-Type: application/json" \
  -d '{"domain":"archtools.dev"}'

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POST /v1/tools/domain-check POST $0.002

Check if a domain is available or registered. Returns registration status, expiry, nameservers.

Parameter	Type	Description
domain	string	required — Domain to check (e.g. example.com)

curl -X POST https://archtools.dev/v1/tools/domain-check \
  -H "x-api-key: YOUR_KEY" -H "Content-Type: application/json" \
  -d '{"domain":"my-cool-startup.com"}'

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POST /v1/tools/social-post POST $0.005

Post a tweet to X/Twitter via API v2.

Parameter	Type	Description
text	string	required — Tweet text (max 280 characters)
reply_to	string	optional — Tweet ID to reply to

curl -X POST https://archtools.dev/v1/tools/social-post \
  -H "x-api-key: YOUR_KEY" -H "Content-Type: application/json" \
  -d '{"text":"Just shipped a new feature with Arch Tools! 🚀"}'

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Files & Extraction

POST /v1/tools/ocr-extract POST $0.010

Extract text from images using OCR. Pass an image URL or base64.

Parameter	Type	Description
image_url	string	optional — Public URL of the image
image_base64	string	optional — Base64-encoded image

curl -X POST https://archtools.dev/v1/tools/ocr-extract \
  -H "x-api-key: YOUR_KEY" -H "Content-Type: application/json" \
  -d '{"image_url":"https://example.com/receipt.png"}'

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POST /v1/tools/extract-pdf POST $0.006

Extract text from a PDF. Pass a URL or base64-encoded file.

Parameter	Type	Description
pdf_url	string	optional — Public URL of the PDF
pdf_base64	string	optional — Base64-encoded PDF

curl -X POST https://archtools.dev/v1/tools/extract-pdf \
  -H "x-api-key: YOUR_KEY" -H "Content-Type: application/json" \
  -d '{"pdf_url":"https://example.com/document.pdf"}'

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Full Pricing Table (x402)

All prices in USDC on Base network. Live pricing: GET /api/v1/x402/pricing

🔍 No tools match your search. Try a different query.

API Reference

Authentication

Option 1: API Key (recommended)

Option 2: x402 Crypto Payments

Quickstart

Credits & Rate Limits

Error Codes

MCP Setup — All Clients

Claude Desktop / Cursor / Windsurf

ChatGPT Custom GPT

Quick Start by Language

Web & Search

AI & Analysis

Sessions

Image & Video

Audio

Crypto

Utility

Hello

Identity & Communications

Social

Files & Extraction

Full Pricing Table (x402)