{"slug":"api-sitecheck-api-workers-dev-api-eori-82b878","title":"Checks up to 10 UK EORI numbers (GB or XI followed by 12 or 15 digits) with HMRC","host":"api.sitecheck-api.workers.dev","method":"GET","resource":"https://api.sitecheck-api.workers.dev/api/eori","category":"other","description":"Checks up to 10 UK EORI numbers (GB or XI followed by 12 or 15 digits) with HMRC's public check: valid or not, with the processing date. HMRC does not publish the trader's name in this check, so it is null. An HMRC outage is a 503, not charged, never 'invalid'. EU EORI numbers are refused with a 400","price_listed":0.002,"price_asked":null,"state":"effects","state_label":"Not tested: has real-world effects","checks_7d":0,"answered_7d":0,"latency_ms_median":null,"reported_calls_30d":2,"reported_payers_30d":2,"networks":["eip155:5042","eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","queryParams":{"eori":"GB123456789000"},"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":{"eori":{"description":"One UK EORI number, or up to 10 separated by commas, e.g. GB123456789000","type":"string"}},"required":["eori"],"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":[],"description_full":"Checks up to 10 UK EORI numbers (GB or XI followed by 12 or 15 digits) with HMRC's public check: valid or not, with the processing date. HMRC does not publish the trader's name in this check, so it is null. An HMRC outage is a 503, not charged, never 'invalid'. EU EORI numbers are refused with a 400 in this version.","last_updated":"2026-10-15T19:28:26.803Z","schemes":["exact"]}