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x402 test endpoint on Base mainnet. Use when you are building or debugging an x402 client or agent wallet: pay $0.001 USDC and get back what actually settled (network, asset, atomic amount, payTo, payer and transaction h...
Base64 encode or decode a string.
Compact line-level diff between two texts.
Decode a JWT header and payload (signature not verified).
x402 Testbed: smallest possible paid round-trip. Use to verify your client can parse a 402 challenge, sign USDC, settle via facilitator and retry. Returns pong + network.
JSON Schema Validator API. Validate JSON data against a JSON Schema and receive structured valid/invalid results with detailed validation errors. Supports common JSON Schema features including type, required, properties,...
Check whether a phone number is valid and possible, find its country and type (mobile, fixed line, toll free and others), and format it as E.164, international and national (libphonenumber metadata).
x402 Testbed: smallest possible paid round-trip. Use to verify your client can parse a 402 challenge, sign USDC, settle via facilitator and retry. Returns pong + network.