{"slug":"http-header-checker-underscoredone-com-check-5248b7","title":"Sends a request to a web address you provide and reports back everything the ser","host":"http-header-checker.underscoredone.com","method":"POST","resource":"https://http-header-checker.underscoredone.com/check","category":"code","description":"Sends a request to a web address you provide and reports back everything the server said in response: the status code, all the response headers, how many times it got redirected, and how long the whole thing took.","price_listed":0.01,"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":["eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"body":{"follow_redirects":true,"method":"GET","url":"https://example.com"},"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":{"follow_redirects":{"description":"Whether to follow redirects to their final destination or stop at the first one","type":"boolean"},"method":{"description":"Either GET or HEAD; GET fetches the page normally, HEAD only asks for headers without the body","type":"string"},"url":{"description":"The full web address to check, including http:// or https://","type":"string"}},"required":["url"],"type":"object"},"bodyType":{"enum":["json","form-data","text"],"type":"string"},"method":{"enum":["POST","PUT","PATCH"],"type":"string"},"type":{"const":"http","type":"string"}},"required":["type","method","bodyType","body"],"type":"object"},"output":{"properties":{"example":{"properties":{"api_version":{"type":"string"},"final_url":{"type":"string"},"headers":{"additionalProperties":true,"type":"object"},"missing_security_headers":{"items":{"type":"string"},"type":"array"},"redirect_chain":{"items":{"type":"object"},"type":"array"},"response_time_ms":{"type":"integer"},"status_code":{"type":"integer"},"url":{"type":"string"}},"required":["api_version","url","final_url","status_code","redirect_chain","headers","missing_security_headers","response_time_ms"],"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[],"description_full":"Sends a request to a web address you provide and reports back everything the server said in response: the status code, all the response headers, how many times it got redirected, and how long the whole thing took.","last_updated":"2026-09-14T19:48:03.47Z","schemes":["exact"]}