the402 x402 endpoint directory

Detail of ONE prediction market or event by numeric id, 0x conditionId, market-slug or event-slug (auto-detected): nor

Cross-venue prediction-market search: one query returns a ranked list of NORMALIZED markets from Polymarket (real-mone

Deep single-game state for one game by its id, normalized to one cited JSON. Give a league and a game_id and get the b

Farcaster social-graph slice for a fid or username: the following list with a count, the follower floor with a count,

Portfolio of a DePIN operator or investor wallet from public data. Give network (helium) and a Solana wallet pubkey an

Profile of a DePIN hotspot or gateway from public data. Give network (helium) and an entity or asset key and get owner

Decoded Bitcoin transaction by txid: inputs and outputs, fee, size, weight and virtual size, replace-by-fee flag, and

Balance and unspent outputs for a Bitcoin address. Returns confirmed and mempool balance, funded and spent totals, tra

Detect and transform structured PII in a text blob. Returns the sanitized text plus a findings report. Modes: redact,

IMF World Economic Outlook forecasts for a country: real GDP growth, inflation, nominal GDP, GDP per capita, governmen

One macroeconomic or development indicator for one or more countries as a cited time-series. Fuses free authoritative

Vulnerability intelligence for a single CVE id. Fuses NVD (CVSS base score and vector, CWE, patch links), CISA KEV kno

Look up the known breaches an email address appears in, returning breach METADATA only (name, date, data classes) and

Composite account-takeover risk score (0-100) fusing a privacy-preserving password exposure check with a domain's know

List the known public data breaches that affected a domain, from the Have I Been Pwned breach catalogue. Returns norma

Fusion anti-abuse risk score for an email and/or IP in one call. Combines domain-level email intelligence (MX, SPF, DM

Profile a federal contractor's spending footprint by name or UEI in one call: total federal dollars, top agencies, top

Search US federal bills by keyword (optionally within one Congress) and get a ranked list of matching bills with id, t

Cited time-series for a single financial line-item from SEC EDGAR XBRL. Give a ticker or CIK plus a concept (a canonic

Static security scan of an MCP manifest or tool list. Detects tool poisoning, hidden unicode instructions, prompt inje

Recent DEX swap history + buy/sell flow for a token or pool on Base: per-swap trader/side/amount/price plus a summary

Look up a transaction by hash on Base, Ethereum, Arbitrum, Optimism, Polygon or BNB (default Base): from/to/value/nonc

Search the scholarly literature by keyword or topic and get a ranked list of works with core metadata. Optional filter

Tournament fixtures, filterable by team, opponent, and date range.

Giveaways already announced but not yet claimable, with the exact date each becomes free and what it normally costs. F

The same as paid-ping, plus how long verification and settlement actually took, measured server-side. For choosing you

Sanctions screening (AML/KYC) against three official lists in one call: EU (Commission FSF), UN Security Council and U

Cross-store pricing for a single game — Steam, Epic, GOG and Microsoft Store side by side — with the lowest price ever

Highest-yield DeFi pools across all chains and protocols, filterable by token and chain, TVL-filtered to exclude dust,

Deep contract inspection on any Blockscout-hosted chain (dozens: Ethereum, Base, Polygon, Optimism, Arbitrum, Celo, Gn

Cryptographically secure random string

Generate one or more RFC-4122 v4 UUIDs

Validate and pretty-print JSON

Convert a JSON object to XML

Convert a JSON array of objects to CSV

Convert a hex colour to RGB and HSL

Convert a timestamp between timezones and formats

Validate email address syntax (RFC-style)

Luhn checksum validation (credit cards, IMEI)

Word, character, sentence and line counts for text

Convert text to a URL-safe slug

Hex-encode a UTF-8 string

Decode a percent-encoded URL string

Percent-encode a string for use in a URL

Decode a Base64 string to UTF-8

Base64-encode a UTF-8 string

Minify JSON by stripping whitespace

Parse CSV text into a JSON array of objects

CRC32 checksum of a string

HMAC-SHA256 of a string with a secret key