the402 x402 endpoint directory

Per-venue basis for one crypto perpetual — mark versus index price, basis_bps = (mark−index)/index×10000, and contango

Follow a URL's redirect chain hop by hop: every step, the final destination, whether it crossed hosts, and a copy with

Resolve a local business name + address to its website domain, phone, category, and operating status with a match conf

Notarize AI output in bulk: one signed Ed25519 attestation of the model response per record for up to 20 AI inferences

Fetch any public URL and return clean, structured content: title, meta description, main text, markdown, headings, out

Live foreign-exchange rates for one or many currency pairs (e.g. EUR/USD, EUR/RON, USD/JPY) with mid, indicative bid/a

Generate one English sentence describing a supplied image.

Document parsing: convert office documents (docx, pptx, xlsx, pdf, odt, ods, odp, rtf, epub, csv, doc, ppt) to clean G

News Gurus Intel API — most recent cross-agent market intelligence ideas (institutional flow, options flow, on-chain,

What a VIN decodes to: make, model, year, plant and equipment, from the regulator's own decoder rather than a guess.

x402 catalog observatory: factual liveness of the ~200 most recently updated Bazaar listings, probed in rotation (~2h

GDPR-compliant text embeddings, processed exclusively in Germany. No training on inputs, no content logging.

MCPFax markets — Polymarket recent trades (polymarket_trades). Price: $0.001 USDC per call on Base.

MCPFax markets — Polymarket trader leaderboard (polymarket_leaderboard). Price: $0.001 USDC per call on Base.

MCPFax markets — Polymarket events (polymarket_events). Price: $0.001 USDC per call on Base.

MCPFax markets — Chain TVL ranking (defi_chains). Price: $0.001 USDC per call on Base.

POST {target} (listing URL, domain, or payTo) -> a factual prompt-injection SIGNAL report over x402 listing DESCRIPTIO

Who launched this pump.fun token and what happened to their previous ones: launch count, graduation record, and whethe

Yield pool safety: peg of every underlying asset, yield sustainability, emission dependence, exit depth

Query live Polymarket prediction markets — question, outcomes, live prices, bestBid/bestAsk/spread, volume24hr/volume1

The news and X/Twitter evidence behind Quotient's prediction-market forecasts: recent articles and market-relevant pos

DNS record lookup

Resolve one NCT identifier into current factual registry status, study dates and phase, with source processing time an

Decode one full or partial VIN into NHTSA manufacturer-reported make, model, year and vehicle attributes, preserving d

Resolve one LEI into current legal entity name, jurisdiction, registration status and renewal dates from GLEIF referen

x402 settlement inspection credit pack API — buy 10 Base/USDC settlement-analysis calls for agent payment diagnostics.

Utility computation credit pack API — buy 10 SML deterministic utility calls through canonical x402 settlement.

Prepare ERC-8004 feedback response. Prepare an unsigned transaction that appends a response to an ERC-8004 feedback th

Prepare ERC-8004 feedback revocation. Prepare an unsigned transaction that revokes an ERC-8004 feedback entry.

Prepare ERC-8004 feedback. Prepare an unsigned ERC-8004 reputation feedback transaction.

Prepare ERC-8004 agent wallet update. Prepare an unsigned transaction that sets the operational wallet for an ERC-8004

Prepare ERC-8004 identity ownership transfer. Prepare an ERC-721 ownership transfer from Brickken custody to the reque

Prepare ERC-8004 metadata update. Prepare an unsigned transaction that writes one ERC-8004 agent metadata key/value pa

Prepare ERC-8004 agent URI update. Prepare an unsigned transaction that publishes the final ERC-8004 agent URI and pro

Prepare agent token allowance. Prepare an unsigned transaction that approves an ERC-20 allowance for an agent token.

Prepare agent token transferFrom. Prepare an unsigned transaction that transfers an agent ERC-20 token through allowan

Prepare agent token transfer. Prepare an unsigned transaction that transfers an agent ERC-20 token.

Prepare agent token burn. Prepare an unsigned transaction that burns an agent ERC-20 token.

Prepare agent token mint. Prepare an unsigned transaction that mints an agent ERC-20 token.

Prepare ERC-8226 RAMS principal compliance revocation. Revoke an active principal compliance record. The transaction m

Prepare agent ERC-20 deployment. Prepare an unsigned transaction that deploys an ERC-20 token controlled by an agent w

Prepare ERC-8226 RAMS principal compliance grant. Grant a principal compliance record. The transaction must be signed

Prepare ERC-8226 RAMS agent unfreeze. Unfreeze an agent. The transaction must be signed by an ENFORCER_ROLE holder.

Prepare ERC-8226 RAMS agent freeze. Freeze an agent. The transaction must be signed by an ENFORCER_ROLE holder.

Prepare ERC-8226 RAMS executor ActionSpec registration. Register or update the ActionSpec for a function selector (sup

Prepare ERC-8226 RAMS agent execution. Execute an allowed action through the principal-bound AgentExecutor. The transa

Prepare ERC-8226 RAMS operator approval. Approve or remove an operator that may directly revoke and extend a principal

Prepare ERC-8226 RAMS mandate revocation. Revoke an existing mandate directly as its principal/operator or through a p

Prepare ERC-8226 RAMS mandate extension. Extend the expiry of an active mandate without resetting cumulative usage.

Prepare ERC-8226 RAMS mandate grant. Grant a compliance-gated, time-bounded and value-capped mandate from a principal