All tools
51 endpoints, grouped by what they do. Each has its own page with parameters, a live example, and FAQ.
x402 tools
The builder's toolkit for the x402 payment ecosystem — inspect challenges, search the Bazaar, verify settlements. Nobody else's API does this.
$0.05
x402 Bazaar Scout
A vetted, ranked Bazaar shortlist — not a listing dump.
GET /v1/x402/scout
$0.05
x402 Deep Audit
A premium trust report on any x402 endpoint.
GET /v1/x402/audit-pro
$0.01
x402 Audit
Full scored audit of any x402 endpoint.
GET /v1/x402-audit
$0.002
x402 Inspector API
The paid API for agents/CI. Humans: use the free browser tool.
GET /v1/x402/inspect
$0.001
x402 Discover
Search the Coinbase x402 Bazaar.
GET /v1/x402/discover
$0.001
x402 Merchant Lookup
List a merchant's Bazaar resources.
GET /v1/x402/merchant
$0.001
USDC Amount Normalizer
Convert USDC between atomic and human units.
GET /v1/x402/price-normalize
free
x402 Test Vector
Example x402 payment requirements, explained.
GET /v1/x402/test-vector
$0.003
x402 Payment Simulator
Pre-flight a payment: cost per rail, and can your wallet afford it.
GET /v1/x402/simulate
$0.03
Settlement Assurance
Prove a completed x402 payment is real and sound.
GET /v1/settlement-assurance
Crypto & Base
Read-only Base chain lookups for payments and settlement: transactions, balances, receipts, token data, Basenames. Nothing signed, no custody.
$0.04
Wallet Report
Full Base wallet profile in one call.
GET /v1/base/wallet-report
$0.002
Transaction Status
Base transaction status and confirmations.
GET /v1/tx
$0.003
Transaction Decoder
Decode a Base transaction's calldata into a readable call.
GET /v1/tx-decode
$0.001
Balance Check
ETH and USDC/ERC-20 balance on Base.
GET /v1/balance
$0.001
Gas Prices
Current Base gas prices and transfer cost.
GET /v1/gas
$0.001
Token Prices
USD price for tokens by symbol or address.
GET /v1/price
$0.002
Payment Receipt
Formatted settlement receipt for a Base tx.
GET /v1/receipt
$0.001
Basename Resolver
Resolve .base.eth names to addresses.
GET /v1/basename
$0.001
Token Info
ERC-20 name, symbol, decimals, supply.
GET /v1/base/token-info
$0.001
ERC-20 Allowance
Check a spending allowance; flags unlimited.
GET /v1/base/allowance
$0.001
Address Type
Is a Base address a contract or a wallet?
GET /v1/base/contract
$0.002
USDC Transfers
Recent USDC transfers for an address.
GET /v1/base/usdc-transfers
$0.003
Payment Proof
Verify an x402 settlement end to end.
GET /v1/payment-proof
AI
Summaries, translation, embeddings, extraction, moderation, and vision — on Workers AI, no external keys.
$0.05
AI Deep Read
Read several pages, get one sourced answer.
GET /v1/deep-read
$0.01
AI Summarize
Fetch a page and return an AI summary.
GET /v1/summarize
$0.005
AI Translate
Translate text into any language.
GET /v1/translate
$0.002
Embeddings
1024-dim text embeddings for search and RAG.
GET /v1/embed
$0.005
Structured Extraction
JSON Schema in, matching JSON out.
GET /v1/extract-json
$0.002
Content Moderation
Safe/unsafe classification with categories.
GET /v1/moderate
$0.005
Image Description
Describe any public image, including its text.
GET /v1/describe-image
$0.005
AI TL;DR
Summarize raw text you pass in.
GET /v1/tldr
$0.002
AI Classify
Zero-shot classify text into your own labels.
GET /v1/classify
Web & data
Fetch, read, and understand any public web page.
$0.005
Web Extract
Clean readable text from any web page.
GET /v1/extract
$0.002
Page Metadata
Title, description, Open Graph, canonical, favicon.
GET /v1/meta
$0.002
QR Generator
QR codes as SVG or terminal text.
GET /v1/qr
$0.001
DNS Lookup
DNS records over DNS-over-HTTPS.
GET /v1/dns
$0.001
HTTP Error Explainer
What an HTTP status means and how to fix it.
GET /v1/http-errors/{code}
$0.002
URL Unshortener
Expand a short link and show every redirect hop.
GET /v1/unshorten
$0.001
HTTP Check
Is a URL up? Status, latency, and redirect in one call.
GET /v1/http-check
Developer utilities
Deterministic, zero-dependency helpers — handy extras agents reuse constantly.
$0.001
JWT Decoder
Decode a JWT header and payload.
GET /v1/jwt-decode
$0.001
Base64
Base64 encode or decode a string.
GET /v1/base64
$0.001
Text Stats
Counts, reading time, and readability.
GET /v1/text-stats
$0.001
Text Diff
Line-level diff between two texts.
GET /v1/diff
$0.001
Regex Tester
Test a regex and get every match with capture groups.
GET /v1/regex
$0.001
Random Numbers
Cryptographically-secure random integers.
GET /v1/random
$0.001
Random Pick
Pick an option at random — the decision-maker.
GET /v1/pick
$0.001
Public Holiday Check
Is a date a public holiday in a country?
GET /v1/holiday
Free tools
Open, no payment, no wallet — try the service instantly.