{"slug":"checkdigit-openverbs-com-v1-routing-0fade3","title":"Validate a 9-digit US ABA bank routing number by its weighted (3,7,1) mod-10 che","host":"checkdigit.openverbs.com","method":"POST","resource":"https://checkdigit.openverbs.com/v1/routing","category":"other","description":"Validate a 9-digit US ABA bank routing number by its weighted (3,7,1) mod-10 checksum. Spaces and hyphens are ignored.","price_listed":0.002,"price_asked":0.002,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":611,"reported_calls_30d":3,"reported_payers_30d":1,"networks":["eip155:8453"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"body":{"routingNumber":"example"},"bodyType":"json","method":"POST","type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"body":{"additionalProperties":false,"properties":{"routingNumber":{"description":"9-digit ABA routing number (spaces/hyphens allowed).","maxLength":32,"minLength":1,"type":"string"}},"required":["routingNumber"],"type":"object"},"bodyType":{"enum":["json","form-data","text"],"type":"string"},"method":{"enum":["POST"],"type":"string"},"type":{"const":"http","type":"string"}},"required":["type","method","bodyType","body"],"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-09-24","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.002,"price_match":true,"latency_ms":611,"error":null}],"description_full":"Validate a 9-digit US ABA bank routing number by its weighted (3,7,1) mod-10 checksum. Spaces and hyphens are ignored.","last_updated":"2026-09-06T08:10:53.893Z","schemes":["exact"]}