Invoket

The checks your agent runs before it acts.

Verify a bank account before paying, a phone number before messaging, a law before advising, the weather before deciding — computed from official sources, with provenance in every response. You only pay for answers.

Paid per call in stablecoin — no account, no API key. Most endpoints include one free call per day — try before you pay.

Browse the endpoints How it works Read the docs

Pre-action checks, grouped by job

Pick the job your agent is about to do — browse the endpoints behind it, each computed from official sources with provenance in every response.

In a hurry? The pre-flight composites run a whole family of checks in a single call and return one verdict — and they never answer ok on a check that did not happen. You still only pay for answers.

Before your agent commits — every check in one call

Composite pre-flights that run a whole family of checks in one call and return a single verdict you can recompute — a check that did not happen never passes, and every block carries its own provenance.

Browse 2 endpoints

Before your agent pays

Bank-account checks backed by national bank registries, the EPC register and the OFAC/EU/UN & FATF lists — every response carries its provenance.

Browse 6 endpoints

Before your agent trusts a name or an address

Sanctions screening backed by the OFAC SDN and Consolidated lists, the EU financial sanctions list and the UN Security Council list — every response carries its provenance.

Browse 4 endpoints

Before your agent messages

Phone-number checks backed by libphonenumber (offline) — every response carries its provenance.

Browse 1 endpoint

Before your agent advises or signs

Law-in-force checks backed by LEGI (Légifrance), EUR-Lex and the official public-holiday calendars — every response carries its provenance.

Browse 9 endpoints

Before your agent plans or insures

Weather and climate checks backed by Copernicus ERA5, NOAA GFS/GEFS and the WMO 1991-2020 normals — every response carries its provenance.

Browse 10 endpoints

Before your agent buys a vehicle

Vehicle checks backed by NHTSA vPIC, RappelConso, the EU CO2 monitoring dataset (Regulation (EU) 2019/631), the French registration-tax schedules and the official Crit'Air tables — every response carries its provenance.

Browse 6 endpoints

Before your agent books an invoice

E-invoice checks backed by the EN 16931 semantic model and the official Factur-X, CII and UBL specifications, plus the fiscal verdicts of Directive 2006/112/EC (VAT) and Directive 2011/7/EU (late payment) — every response carries its provenance.

Browse 7 endpoints

Before your agent onboards a counterparty

Counterparty due-diligence checks backed by the official INSEE Sirene register, the BODACC gazette, VIES, the Peppol directory and the global GLEIF LEI reference — every response carries its provenance.

Browse 7 endpoints

Before your agent acts on a prescription

Medication checks backed by the French BDPM (ANSM/HAS) register and the US openFDA and RxNorm datasets - every response carries its provenance.

Browse 5 endpoints

Before your agent ships an EU label

EU labelling verdicts backed by the ECHA Annex VI harmonised classification (CLP) versioned by ATP, the cosmetics Regulation (EC) No 1223/2009 and the food-additive Union list of Regulation (EC) No 1333/2008 — every response carries its provenance.

Browse 9 endpoints
Browse all endpoints

How it works

  1. 1 · Discover

    Your agent finds the check it needs in the live catalog — no account, no API key, no sign-up.

  2. 2 · Pay per call

    The endpoint answers a payment challenge; your agent pays in stablecoin for that single call and retries.

  3. 3 · Answer

    You get a result computed from official sources, with the provenance of every field in the response.

See how it works

Use it from your agent

Three ways to reach the checks — pick the one that fits your agent. You only pay for answers, and provenance rides along in every response.

MCP server

Typed tools generated from the live catalog, ready for Claude and other MCP hosts. BYOK, non-custodial — your key never leaves your machine — with spend caps.

npx @invoket/mcp
Set up the MCP server

Direct HTTP (x402)

Any HTTP client works: call the endpoint, answer the payment challenge, replay. The 402 → pay → replay flow, with copy-paste snippets.

Read the quickstart

SDK

In development

An official SDK is in development — TypeScript, Python, Go and Rust, generated from the live catalog, security-first. Until it ships, use the MCP server or the HTTP flow today.