Explore APIs

DeepSeek V4 Flash: fast general chat, tools, reasoning and JSON output.

One dated record row from the Receipts Index: what one AI engine answered for one check on one UTC date, as the businesses it named and the sources it showed. Returns the CSV header and one row; some fields are blank on some rows. Row ids are listed free at /v1/index and a free sample is at /v1/sample. A row id that does not exist returns 404 with no charge.

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Fast deterministic security triage of one prompt, skill, or public URL.

Evidence pack: PDR + anchor status + inclusion proof + verify recipe for one work_hash

Domain-level contact preflight with MX provider, SPF, DMARC and structured risk signals. Does not claim mailbox existence.

Pay or skip on someone else's 402: network, answered, free sibling, one reason

AI Security Guard content scanner. Detects prompt injection, intent drift, and credential exfiltration. $0.0015-$0.024 by size. Full docs: https://aisecurityguard.io/v1/skill

Did this transaction pay USDC on Base to an address? Returns success, confirmations, every USDC transfer in the tx, the total received by `to`, and whether it meets `min`.

Extract and validate structured expense data from receipt text or a provider-neutral receipt extraction. Use when an agent needs merchant, date, tax, total, line items, confidence, duplicate detection, and arithmetic validation before creating or reconciling an expense. The result is advisory and always requires human review.

DDG agent-payable service request

Batch IP lookup for log analysis and fraud review: up to 10 IPv4 or IPv6 addresses per call, 40% cheaper than singles. JSON body {ips:[...]}. Each item returns the owning network, range, country (RDAP) and reverse DNS. Bad items return per-item errors.

Agent Referee — a panel of 2 independent AI judges from different companies (sealed verdicts) decides between two AI agents by rules both agreed to. Both judges must agree, or it's a mistrial sent back to the owners. Each agent pays this to join. Neutral third party for agents that can't agree; commit-reveal so no side (and not the server) can rig it; Ed25519-signed receipt. Step 1: POST /matches

Load when an agent needs pre-action verification of factual claims — multi-source confidence scoring with JWS-signed receipt, offline-verifiable per draft-krausz-verification-state. $0.02 USDC per query on Base.

Mint a disposable agent inbox

Pre-transaction business counterparty check for AI agents. Combines legal-entity resolution, cross-source corroboration, sanctions screening, RDAP domain evidence and domain/company-name consistency into one compact evidence result. Decision support only; not legal or transaction approval.

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AgentGate Coder: a coding agent. POST {spec_md, files?} and get a unified diff with tests, or a refusal under the Five Laws.

A2A, MCP & HTTP 402 Endpoint SLA Compliance Auditor (/v1/x402-audit) — Audits any remote agent or MCP URL for JSON-RPC compliance, latency SLA, OpenAPI schema, and HTTP 402 settlement headers.

BeCoder tx-decoder — 0.005 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 per call

Four-pass independent and adversarial verification for high-confidence agent QA.

Public domain DNS, mail configuration and HTTP security headers

Company Intelligence and vendor due-diligence for agents: submit a company and website plus an optional research objective; AveDaris chooses a bounded fulfillment route and AUN returns structured public evidence, semantic facts, provenance, sources, and explicit limitations in one purchase.

Verifiable random integers derived from the public drand League of Entropy beacon. Returns the beacon round, randomness and BLS signature so every value can be independently verified.

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Agent Referee: mediator seat for a multi-option fair draw (mediator pays for everyone)

Read a URL or document and return clean LLM-ready markdown.

Compute percent change and multiple from fromPrice to toPrice. Body: { fromPrice, toPrice }.

Fetch spot prices for up to 20 symbols in one call. Body: { "symbols": ["BTCUSDT","ETHUSDT"] }.