the402 x402 endpoint directory

Generate cryptographically random passwords. ?length=8..128 (default 24), ?symbols=true|false (default true), ?count=1

Percent-encode or decode a string for URLs. mode: encode (default) or decode. component: true (default) uses encodeURI

Revoke a previously granted wallet's access to your namespace.

Locus public pay-per-use API

Current MLB standings — wins, losses, win percentage, games back, home/away splits, and streak. Filter by leagueId: 10

Open interest for one perpetual in coins and USD notional with its share of the venue total, or the top N contracts ra

Verify a webhook's HMAC signature against the correct per-provider scheme: GitHub (X-Hub-Signature-256, sha256=hex), S

OHLCV candles for one perpetual at any interval from 1 minute to 1 month, up to the venue's history, with a window sum

Mint a signed JSON Web Token (HMAC: HS256 default, HS384, HS512) from a payload + secret. Pairs with jwt-decode/jwt-ve

Current date, time, and timestamp for any timezone worldwide. Returns UTC and local timestamps, unix epoch, day of wee

Fast link preview extractor — returns OpenGraph/Twitter Card metadata (title, description, image, favicon, site name,

Check whether an approved Base token swap is eligible before supplying a wallet. Returns verified token contracts, ind

Lists supported RPC chains and methods.

Verify an attestation produced by /notarize (either the EIP-712 or the EAS off-chain form) — pure compute, no network

Kelly-criterion optimal bet fraction and position sizing from a win probability and payoff, or from an edge and odds.

Live foreign-exchange reference rates (European Central Bank daily fixes, ~30 major currencies): any cross-rate from a

Ask the oracle: will I make it?

NBA game schedule for any date — matchups, scores by quarter, teams, and game status.

Convert an integer (1-3999) to Roman numerals, or a Roman numeral back to an integer. Auto-detects direction.

Caesar-cipher a string. Default shift 13 (ROT13, self-inverse). Set shift for any rotation 1-25.

Convert a color between hex, RGB, and HSL. Accepts "#1a2b3c", "rgb(26,43,60)", or "hsl(210,40%,17%)".

Extract a value from JSON by dot/bracket path, e.g. "items[2].name".

Returns current NBA standings by conference.

Currency conversion API for AI agents — convert an amount between currencies using official ECB reference-rate data; o

JSON repair for AI agents - fix malformed JSON and return structured output.

News search API with publisher links for agents: search recent GDELT Project news metadata for $0.001 USDC. Returns at

Real-time cryptocurrency prices for any coin in any fiat currency

X402 Delivery Receipt Check: X402 Delivery Receipt Check checks receipt fields for payment id, resource, amount, and d

Seeded Priority Order: Seeded Priority Order orders equal-priority tasks reproducibly from bounded caller-supplied val

Seeded Rendezvous Rank: Seeded Rendezvous Rank ranks nodes for a key using reproducible rendezvous hashing from bounde

Seeded Consistent Shard: Seeded Consistent Shard maps a stable key to one shard without mutable state from bounded cal

Seeded Feature Bucket: Seeded Feature Bucket maps a stable subject to an integer feature bucket from bounded caller-su

Seeded Percentage Rollout: Seeded Percentage Rollout evaluates stable inclusion in a percentage rollout from bounded c

Seeded Holdout Assignment: Seeded Holdout Assignment assigns a stable subject to holdout or treatment from bounded cal

Seeded Multivariate Assignment: Seeded Multivariate Assignment assigns a stable subject to one weighted variant from b

Seeded Ab Assignment: Seeded Ab Assignment assigns a stable subject to A or B using caller weights from bounded caller

Seeded Round Robin Start: Seeded Round Robin Start chooses a reproducible starting index for round-robin rotation from

Seeded Tie Break: Seeded Tie Break breaks a tie reproducibly among equally scored candidates from bounded caller-suppl

Seeded Schedule Offset: Seeded Schedule Offset selects a reproducible offset inside a scheduling window from bounded c

Seeded Backoff Schedule: Seeded Backoff Schedule builds a reproducible jittered exponential backoff schedule from boun

Seeded Jitter Ms: Seeded Jitter Ms adds reproducible bounded jitter to a base delay from bounded caller-supplied value

Seeded UUID: Seeded UUID derives a reproducible UUID-shaped identifier from seed and namespace text from bounded calle

Seeded Token: Seeded Token builds a reproducible non-secret token from a caller alphabet from bounded caller-supplied

Seeded Random Bytes Hex: Seeded Random Bytes Hex returns reproducible non-cryptographic bytes encoded as hex from boun

Seeded Random Float: Seeded Random Float returns reproducible floats inside caller bounds from bounded caller-supplied

Seeded Coin Flip: Seeded Coin Flip generates a reproducible sequence of binary outcomes from bounded caller-supplied v

Seeded Dice Roll: Seeded Dice Roll rolls bounded virtual dice reproducibly for simulations from bounded caller-supplie

Seeded Lottery Draw: Seeded Lottery Draw draws unique labels reproducibly from a caller-owned pool without monetary cl

Seeded Reservoir Sample: Seeded Reservoir Sample selects a bounded reproducible sample from caller items from bounded

Seeded Bootstrap Sample: Seeded Bootstrap Sample samples indices with replacement for a reproducible bootstrap set fro