Free Developer API

130+ REST API endpoints for developers and AI agents. No signup required for basic use. All responses in JSON.

Base URL: https://toolpipe.dev

JSON and Data

EndpointMethodDescriptionExample
/json/formatPOSTFormat and validate JSON{"json": "{\"a\":1}"}
/api/convert/json-to-yamlPOSTJSON to YAML{"json": "{\"a\":1}"}
/json/to-csvPOSTJSON array to CSV{"json": "[{\"a\":1}]"}
/api/json/validate-schemaPOSTValidate against JSON Schemajson + schema
/api/json/queryPOSTQuery JSON with dot-pathsjson_data + path
/api/csv/to-jsonPOSTCSV to JSON{"csv": "a,b\n1,2"}
/api/xml/to-jsonPOSTXML to JSON{"xml": "..."}
/api/yaml/validatePOSTValidate YAML{"yaml": "key: val"}
/api/env/parsePOST.env to JSON{"content": "KEY=val"}

Text Processing

EndpointMethodDescription
/text/analyzePOSTWord count, reading time, sentences
/api/text/statsPOSTReadability scores, text statistics
/api/text/summarizePOSTExtractive text summarization
/api/text/detect-languagePOSTLanguage detection
/api/text/diffPOSTCompare two texts (unified diff)
/api/text/slugifyPOSTText to URL slug
/api/regex/testPOSTTest regex with match details
/api/lorem-ipsumPOSTGenerate placeholder text
/api/html/stripPOSTStrip HTML tags to plain text
/api/sql/formatPOSTFormat SQL queries

Encoding, Hashing, and Security

EndpointMethodDescription
/hash/generatePOSTHash text (MD5, SHA-1, SHA-256, SHA-512)
/base64POSTBase64 encode/decode
/api/url/encode-decodePOSTURL encode/decode
/api/html/encode-decodePOSTHTML entity encode/decode
/api/jwt/decodePOSTDecode JWT tokens
/api/jwt/createPOSTCreate JWT tokens (testing)
/uuid/generateGETGenerate UUIDs (v4)
/api/password/generatePOSTGenerate secure passwords
/api/password/checkPOSTCheck password strength

Web and Network

EndpointMethodDescription
/dns/lookupGETDNS records (A, AAAA, MX, NS, TXT)
/ip/lookupGETIP geolocation
/api/myipGETGet your IP address
/meta/extractGETExtract URL metadata (OG tags)
/down/checkGETCheck if website is up/down
/seo/analyzeGETSEO analysis
/api/http/requestPOSTHTTP requests (curl via API)
/api/web/extractPOSTExtract web page content
/api/headers/analyzeGETAnalyze HTTP response headers
/api/http-status/{code}GETHTTP status code info

Media and Visual

EndpointMethodDescription
/qr/generateGETGenerate QR code images
/color/convertGETConvert HEX/RGB/HSL colors
/api/color/paletteGETGenerate color palettes

Utilities

EndpointMethodDescription
/api/timestamp/convertPOSTConvert timestamps
/api/timestamp/nowGETCurrent timestamp in all formats
/api/cron/parseGETParse cron to plain English
/api/crypto/pricesGETLive crypto prices
/api/random/quoteGETRandom quotes
/api/number/formatPOSTFormat numbers
/api/convert/unitsGETUnit conversion
/markdown/to-htmlPOSTMarkdown to HTML
/api/css/minifyPOSTMinify CSS
/api/js/minifyPOSTMinify JavaScript

Quick Examples

# Format JSON
curl -X POST https://toolpipe.dev/json/format \
  -H "Content-Type: application/json" \
  -d '{"json": "{\"name\":\"ToolPipe\",\"version\":\"1.8.0\"}"}'

# Generate QR code
curl "https://toolpipe.dev/qr/generate?text=https://toolpipe.dev&size=300" -o qr.png

# DNS lookup
curl "https://toolpipe.dev/dns/lookup?domain=google.com"

# Hash text
curl -X POST https://toolpipe.dev/hash/generate \
  -H "Content-Type: application/json" -d '{"text":"hello","algorithm":"sha256"}'

# Live crypto prices
curl "https://toolpipe.dev/api/crypto/prices"

Authentication

Basic endpoints work without auth. For higher limits, get a free API key:

curl -X POST https://toolpipe.dev/api-keys/register \
  -H "Content-Type: application/json" \
  -d '{"email": "[email protected]"}'

# Use via header
curl -H "X-API-Key: tp_your_key" https://toolpipe.dev/api/crypto/prices
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ToolPipe JSON Formatter CSS Minifier JS Minifier UUID Generator Regex Tester JWT Decoder Password Generator Hash Generator Base64 JSON to YAML QR Generator Merge PDF Image to Base64 Color Picker My IP XML Formatter YAML Validator CSV to JSON Diff Checker SQL Formatter Free API Key Pro Plans Quick Start
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