Every agent-payable API.

Validates a credit card or IMEI number against the Luhn checksum algorithm.

Validate a number by the Luhn (mod-10) algorithm — the scheme behind credit/debit card numbers and many IDs. Spaces and hyphens are ignored. A mismatched check digit is a successful { valid: false }.

Luhn checksum validation for digit strings for $0.001 USDC. Call when you need this bounded result without an API key or subscription. Returns machine-readable JSON via x402 on Base or Solana. Limitation: results cover only the supplied input or one bounded public endpoint at request time; callers must verify before acting.

Lumière PayCheck Builder plan, 30 days: 3 scoped agent keys, spend limits, signed receipts, 30-day replayable audit trail.

Lumière PayCheck Business plan, 30 days: 25 agent keys, human review for anomalies, 365-day audit trail with CSV export.

Siamese — Luna — Questioning companion for challenging assumptions and logic verification.

Latest news headlines from Portugal and Brazil (Público, Observador, RTP, Expresso, ECO, g1, Folha, Agência Brasil and more) as clean JSON: title, url, source, country, published_at, categories. Use when you need current Portuguese-language news, what is happening in Portugal or Brazil today, or a PT/BR news feed for a briefing. Refreshed every 10 minutes; headlines only, links go to the publisher.

Lightning-fast, enterprise-grade blockchain intelligence. Unlock real-time Base Sepolia insights with our premium block data API. Trusted by leading teams.

What a Base transaction costs right now, with the RPC provider and trust level behind the number, so a caller can tell a credentialed reading from a degraded one before pricing a transaction.

Who is moving size on Base right now: large ERC-20 transfers reported as observed facts with amounts and source, not as trade signals or predictions.

How deep is liquidity for tracked Base tokens and how much is actually trading, with the source named, for sizing an order or declining one.

M2M Web Alpha Extractor - Intent + Trust + Buy Signal for Bots -- 0.01 on Base

M2M memory recall: semantic search over graph_memory + farcaster_graph. Input query + fid. Output facts. Pay-per-call $0.01 USDC Base

M2M memory store for Farcaster agents: remember fact about fid for persistent agent memory. Input fid + fact like 'likes memecoins'. Output stored True. ChatGPT killer memory. Pay-per-call $0.01 USDC Base

Lightning-fast, enterprise-grade blockchain intelligence. Unlock real-time Base Sepolia insights with our premium block data API. Trusted by leading teams.

Derive the modified EUI-64 interface identifier from a 48-bit MAC (insert FFFE, flip the U/L bit) and the resulting IPv6 link-local address (fe80::/64).

Verify an onchain payment or investigate a failed Base transaction in one call with transaction, receipt, success status, confirmations, gas and fee context.

Get the current Base mainnet block number (latest chain height) for an autonomous agent.

Validate MCP protocol, method and stateless-discovery compatibility

Bind MCP catalog digest to TTL, scope and revalidation policy

Inspect an MCP tool manifest before installation or trust, including collisions, missing schemas and instruction injection

Analyze operation-level risk inside consolidated MCP tools. Returns evidence-backed ALLOW, DENY, or REQUIRE_APPROVAL decisions, retry semantics, schema-drift status, and a deterministic operation effect ID. Designed for MCP tools whose command/action arguments expose operations with different risk levels.

Bind declared MCP domain, endpoint, manifest, key and version in signed evidence

Read-only health and tool-schema inspection for a public MCP endpoint.

Bind MCP tool-call identity to a transaction without silently granting authority

MCP server readiness API for agents: audit tools/list, schemas, manifests, discovery, and integration readiness for $0.01 USDC before publishing or connecting a client.

Map MCP and A2A task identities without losing state, authority or expiry

MCPFax markets crypto

MD5 digest of text or raw bytes — Genesis402 / UnyKorn Operator Network

Resolve a MIME type to its default file extension.

Is this Minneapolis rental property licensed and in compliance? Query any street address in Minneapolis, Minnesota (Hennepin County) and get the active rental license -- status, tier, licensed unit count, expiration -- plus violation and code-enforcement case history, and whether the property is condemned or boarded. For tenant screening, landlord and property-manager due diligence, real-estate and lending checks. Input: address string. Output: JSON, live City of Minneapolis open data. (US ne...

Is this Minneapolis Minnesota (Hennepin) rental licensed and code-compliant? GET ?address= (street 1-120 chars). Returns compliance_verdict (licensed_clean|licensed_with_violations|unlicensed|condemned_or_boarded), active rental license status/tier/units/expiration, violation cases, condemned/boarded flag. Live City open data JSON. Jobs: tenant screening, landlord DD, lending. Free sample: /mn/property-check/sample.

MPP-native catalog-first task router: paid top-three shortlist with prices, payment methods, MCP schemas, health metadata and operator source attribution

Point-location weather forecast/reanalysis lookup from Google DeepMind's WeatherNext model via Earth Engine. Every request is bounded to data at least 1 hour old -- the exact license boundary at which WeatherNext data becomes CC BY 4.0 and commercially reusable. This listing never serves data still under the real-time Terms of Use, which explicitly prohibits commercial resale.

Screen a name in one call against US OFAC SDN, the EU Consolidated Financial Sanctions List, UK OFSI, the UN Security Council Consolidated List, and Wikidata-derived Politically Exposed Persons (PEP) data -- with fuzzy name matching, not exact-only. Real competitor research (2026-09-11) found this exact bundle+fuzzy-match shape is what actually converts in this niche; the single-source exact-match ofac-sanctions-search-v1 listing did not.

Single higher-value composite report for one domain: DNS resolution, TLS/SSL certificate validity and issuer, RDAP/WHOIS registration and nameservers, and email deliverability (MX/SPF/DMARC) signals, plus a derived trust score and risk band. Built entirely from already-cleared, already-live internal capabilities (domain-dns-check-v1, domain-ssl-check-v1, domain-whois-lookup-v1, email-domain-deliverability-check-v1) -- no new source, no new licence question, no proprietary reputation database.

Return bounded ranked OpenBible.info cross-reference identifiers with displayed text resolved only from BSB or WEB.

Search a governed snapshot of implemented, validated Polymathica PDE and scientific-computing solvers. Returns validation versions, bounded evidence locations, implementation modules and provenance without claiming a fresh solver execution.

Return a deterministic source-labelled devotional blessing for reflection. Payment buys the structured service, not divine favour or a sacrament.

Search live UK/EU public procurement tenders and US federal grant opportunities in one call: UK Contracts Finder, UK Find a Tender Service, EU TED (Tenders Electronic Daily), and Grants.gov. Returns source-linked metadata only -- title, buyer/funder, deadline, value, region, category codes, and a link to the original notice -- never full tender documents, specifications, or application forms. Grants.gov is queried live per-request and is never bulk-cached or resold as a stored dataset.

Return a short scripture-grounded private reflection aid. The endpoint accepts no confession narrative or identity information and provides no absolution.

Fetch current public-register facts for one UK company by exact company number from the official Companies House Public Data API. Returns company status and type, incorporation date, SIC codes, registered-office locality and postcode, and accounts and confirmation-statement due or overdue facts.

Cross-references a UK haulage operator's DVSA-declared licence holder name against that company's real, live Companies House officers and persons with significant control (PSC) -- flagging a mismatch, or a recent director/PSC change, the real pattern seen in distressed-acquisition cargo-theft fraud where a haulier's licence still shows the old, legitimate operator while control of the company has quietly changed hands.

Discover current UK companies through the official Companies House advanced search using bounded filters for company-name inclusion, status, type, incorporation date range, location, and five-digit SIC code. Returns at most 20 normalized company-level public-register records.

Search official product safety recalls and alerts by product or brand keyword, across US FDA (food/drug) and UK OPSS (general product safety) -- the same already-cleared sources composed inside merchant-trust-check-v1, exposed here as a standalone product for use outside a merchant-domain context (e.g. checking a specific product name). EU Safety Gate non-food product alert data is licensed for inclusion (CC BY 4.0) but not yet technically integrated pending a documented access path.

Real-time GPU and LLM API pricing data scraped from public cloud provider websites. Structured, parsed pricing with per-provider plan details, source URLs, content hashes, and freshness. No outbound network on purchase — data is read from the local feed database populated by the scraper on a 6-hour cadence.

Find source-linked scientific papers by topic. Returns metadata pointers, authors, dates, licence evidence when supplied by the source, and corpus provenance; it does not sell paper text or infer reuse rights.

Part of the Domain Web Trust family: live DNS resolution check for a domain, useful for confirming a domain has valid DNS before an agent interacts with a website or merchant. Reports whether it resolves and to which IPv4/IPv6 addresses. Queries the public DNS protocol directly at request time -- no third-party dataset, no cached or scraped WHOIS/registry data, so there is no resale-terms question.

Current block number and gas price for Base and Polygon mainnet, fetched live via RPC on every call. Unlike this catalogue's corpus-search listings, this makes a real outbound network call on purchase -- freshness is the product, not a stored snapshot.

Part of the Domain Web Trust family: live TLS handshake against a domain's HTTPS port, useful for confirming a domain has a valid, current certificate before an agent interacts with a website or merchant. Reports certificate validity, issuer/subject, and validity window (including days until expiry). Performed via a real TLS connection at request time -- no third-party certificate-transparency dataset or resale-terms question.