{"slug":"resolve402-dev-api-counterparty-check-0ae599","title":"Counterparty check before invoicing or paying a company, in one call","host":"resolve402.dev","method":"GET","resource":"https://resolve402.dev/api/counterparty-check","category":"company","description":"Counterparty check before invoicing or paying a company, in one call: legal entity active (French registry), EU VAT number valid (VIES), insolvency proceedings (BODACC), asset-freeze and sanctions match (DG Trésor register, incl. EU and UN), IBAN checksum and country. Returns a verdict ok / review /","price_listed":0.02,"price_asked":0.02,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":311,"reported_calls_30d":1,"reported_payers_30d":1,"networks":["eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","queryParams":{"siren":"552032534"},"type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"method":{"enum":["GET"],"type":"string"},"queryParams":{"properties":{"company":{"description":"French company name (alternative)","type":"string"},"iban":{"description":"Optional IBAN to check (checksum, country, SEPA)","type":"string"},"siren":{"description":"9-digit French SIREN","type":"string"},"siret":{"description":"14-digit French SIRET (alternative)","type":"string"},"vat":{"description":"EU VAT number, e.g. FR27552032534 or DE123456789 (alternative)","type":"string"}},"type":"object"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"},"output":{"properties":{"example":{"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-10-10","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.02,"price_match":true,"latency_ms":311,"error":null}],"description_full":"Counterparty check before invoicing or paying a company, in one call: legal entity active (French registry), EU VAT number valid (VIES), insolvency proceedings (BODACC), asset-freeze and sanctions match (DG Trésor register, incl. EU and UN), IBAN checksum and country. Returns a verdict ok / review / block with reasons. From a SIREN, SIRET, EU VAT number or French company name. Charged only if the counterparty is found.","last_updated":"2026-10-10T11:40:48.504Z","schemes":["exact"]}