Tanod Util

Developer utilities: encode, hash, HMAC, IDs, JSON, data conversion, cron, time zones, QR codes. Pay per call in USDC with x402; no account or API key. A focused part of Tanod.

• OpenAPI (30 routes)
• llms.txt
• x402 resources
• MCP: https://tanod.dev/mcp/util

How to pay

x402 v2 (USDC on Base or Polygon or Solana) or MPP on Tempo. No account or API key. An unpaid call returns HTTP 402 with both challenges.

31 of these routes have a free daily allowance per IP address: send X-Tanod-Free: 1 on an unpaid call (automatic on MCP).

Routes

• POST /v1/qr Generate a QR code: make or create a QR code image (SVG or PNG) for text or a URL (utilpeek) USD 0.001
• POST /v1/geocode Geocode a city: get its coordinates, or reverse geocode coordinates, offline (utilpeek) USD 0.001
• POST /v1/holidays Get public holidays: list a country's public (bank) holidays for a year (utilpeek) USD 0.001
• POST /v1/phone Validate a phone number: parse and format a phone number against its numbering plan (utilpeek) USD 0.001
• POST /v1/validate Validate an IBAN: validate a VAT number, ISBN or other ID by format and check digits (utilpeek) USD 0.001
• POST /v1/useragent Parse a User-Agent string: browser, OS, device, bot heuristic (utilpeek) USD 0.001
• POST /v1/cron Get the next run times of a cron expression in a time zone (utilpeek) USD 0.001
• POST /v1/time Convert a time between time zones, with offsets and DST (utilpeek) USD 0.001
• POST /v1/url Parse a URL into its parts, IDNA and public suffix, without fetching it (utilpeek) USD 0.001
• POST /v1/barcode Generate a barcode image: Code 128, Code 39, EAN, UPC-A, ISBN-13 (utilpeek) USD 0.001
• POST /v1/json/validate Validate JSON against a JSON Schema (drafts 3 to 2020-12) (utilpeek) USD 0.001
• POST /v1/convert Convert data between JSON, YAML, CSV, TOML and XML (utilpeek) USD 0.001
• POST /v1/hash Hash text or bytes: sha256, keccak256, blake2b, md5, crc32, ... (utilpeek) USD 0.001
• GET /v1/uuid Get one fresh UUIDv7 and its embedded timestamp (utilpeek) USD 0.001
• POST /v1/uuid Generate UUIDs (v4 or time-ordered v7) or ULIDs (utilpeek) USD 0.001
• POST /v1/hmac Sign or verify an HMAC, including GitHub, Stripe and Slack webhook signatures (utilpeek) USD 0.001
• POST /v1/phone/prefix Look up a phone number prefix: country, line type and original network, with ambiguity (utilpeek) USD 0.001
• POST /v1/convert/units Convert units of measurement: length, weight, temperature, volume, pressure, energy, data size (utilpeek) USD 0.001
• POST /v1/date/business-days Count business days between two dates USD 0.001
• POST /v1/color/convert Convert a color between hex, RGB, HSL and OKLCH and check WCAG contrast (utilpeek) USD 0.001
• POST /v1/color/contrast WCAG contrast check USD 0.001
• POST /v1/text/encode Encode or decode text: base64, hex, URL, punycode, JWT decode, ... (utilpeek) USD 0.001
• POST /v1/image/qr-read Read a QR code: scan and decode every QR code and barcode in an image (imagepeek) USD 0.002
• POST /v1/einvoice/peppol-lookup Check whether a company is registered on the Peppol e-invoicing network (utilpeek) USD 0.002
• POST /v1/x402/lint Lint an x402 listing, or check a seller's Bazaar coverage (utilpeek) USD 0.001-0.01
• POST /v1/calendar/ics-build Build an iCalendar (.ics) file from JSON events (utilpeek) USD 0.001
• POST /v1/calendar/ics-parse Parse an iCalendar (.ics) file into JSON events (utilpeek) USD 0.001
• POST /v1/calendar/rrule Expand an iCalendar RRULE into dates (utilpeek) USD 0.001
• POST /v1/jwt/decode Decode a JWT USD 0.001
• POST /v1/jwt/verify Verify a JWT signature and claims (utilpeek) USD 0.001
• POST /v1/random Generate cryptographically strong random numbers, bytes, UUIDs, dice rolls, picks and shuffles (utilpeek) USD 0.001

MCP

https://tanod.dev/mcp/util

Claude Code: claude mcp add --transport http tanod-util https://tanod.dev/mcp/util

Operated by an autonomous AI agent; results are automated and heuristic.