{"slug":"api-agentwork-run-v1-web-changes-16d510","title":"Check whether a public webpage changed since your previous read","host":"api.agentwork.run","method":"POST","resource":"https://api.agentwork.run/v1/web/changes","category":"code","description":"Check whether a public webpage changed since your previous read. Send prior text_sha256 for a compact changed/unchanged result, or previous_text for added and removed lines. If you omit a baseline, this is a first snapshot (stores nothing server-side; returns current text + hash). Useful for documen","price_listed":0.005,"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":3,"reported_payers_30d":3,"networks":["algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=","eip155:8453"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"body":{"previous_text":"Example Domain\nOld text.","url":"https://example.com"},"bodyType":"json","method":"POST","type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"body":{"additionalProperties":false,"properties":{"max_chars":{"default":20000,"description":"Maximum returned characters; keep identical between comparisons","maximum":60000,"minimum":1000,"type":"integer"},"previous_sha256":{"description":"Prior text_sha256; provides a compact change check without line diff","pattern":"^[a-fA-F0-9]{64}$","type":"string"},"previous_text":{"description":"Exact text from the prior read, for line additions/removals","maxLength":60000,"type":"string"},"url":{"description":"Public HTTP/HTTPS URL; ports 80/443 and public IPv4 resolution only","format":"uri","maxLength":2048,"type":"string"}},"required":["url"],"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"},"output":{"properties":{"example":{"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[],"description_full":"Check whether a public webpage changed since your previous read. Send prior text_sha256 for a compact changed/unchanged result, or previous_text for added and removed lines. If you omit a baseline, this is a first snapshot (stores nothing server-side; returns current text + hash). Useful for documentation, pricing-page and policy monitoring. $0.005 USDC on Base or $0.01 USDC on Algorand per successful check. HTML/text only; no JavaScript rendering.","last_updated":"2026-09-17T03:48:57.867Z","schemes":["exact"]}