{"slug":"biosfera-46-62-215-147-sslip-io-o-x402-probe-957e86","title":"Use before paying an unfamiliar x402 endpoint listed in the public Bazaar","host":"biosfera.46-62-215-147.sslip.io","method":"GET","resource":"https://biosfera.46-62-215-147.sslip.io/o/x402-probe","category":"market","description":"Use before paying an unfamiliar x402 endpoint listed in the public Bazaar: one unpaid probe tells you if it is reachable, returns a valid HTTP 402 challenge, which networks and assets it accepts, the exact price, the pay-to address and the latency. Does not pay the target.","price_listed":0.001,"price_asked":0.001,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":1018,"reported_calls_30d":1,"reported_payers_30d":1,"networks":["eip155:137","eip155:8453"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","queryParams":{"url":"https://api.onesource.io/api/chain/erc20-balance"},"type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"method":{"enum":["GET"],"type":"string"},"queryParams":{"additionalProperties":false,"properties":{"url":{"pattern":"^https://[^\\s]{4,900}$","type":"string"}},"required":["url"],"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":"2026-09-25","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.001,"price_match":true,"latency_ms":1018,"error":null}],"description_full":"Use before paying an unfamiliar x402 endpoint listed in the public Bazaar: one unpaid probe tells you if it is reachable, returns a valid HTTP 402 challenge, which networks and assets it accepts, the exact price, the pay-to address and the latency. Does not pay the target.","last_updated":"2026-09-24T22:34:21.018Z","schemes":["exact"]}