{"slug":"mini-tollbooth-onrender-com-site-watch-9bd759","title":"Change detection ($0.05) — sha256 fingerprint of any URL with a compact diff whe","host":"mini-tollbooth.onrender.com","method":"GET","resource":"https://mini-tollbooth.onrender.com/site-watch","category":"market","description":"Change detection ($0.05) — sha256 fingerprint of any URL with a compact diff when it changes. Pass the hash back on the next call; stateless, nothing stored. Toll: $0.05 USDC on Base or Solana.","price_listed":0.05,"price_asked":0.05,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":465,"reported_calls_30d":1,"reported_payers_30d":1,"networks":["eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","queryParams":{"prev_hash":"abc123","url":"https://example.com"},"type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"method":{"enum":["GET"],"type":"string"},"queryParams":{"properties":{"prev_hash":{"description":"Optional sha256 from a previous /site-watch call — returns whether it changed.","type":"string"},"prev_text":{"description":"Optional previous page text — enables a diff snippet when the hash changed.","type":"string"},"prev_text_b64":{"description":"Optional base64 of the previous page text (alternative to prev_text).","type":"string"},"url":{"description":"URL to hash for change detection (http/https only).","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":"2026-10-10","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.05,"price_match":true,"latency_ms":465,"error":null}],"description_full":"Change detection ($0.05) — sha256 fingerprint of any URL with a compact diff when it changes. Pass the hash back on the next call; stateless, nothing stored. Toll: $0.05 USDC on Base or Solana.","last_updated":"2026-10-05T20:23:05.854Z","schemes":["exact"]}