{"statement_id":"st_f144d8213d88497da6f5","subject":{"kind":"product","slug":"dropbox-sign","name":"Dropbox Sign","url":"https://sourcetier.com/products/dropbox-sign"},"attribute":{"key":"api_available","label":"Public API","unit":null,"core":true},"scope":null,"region":null,"first_recorded_at":"2026-09-13T21:02:38.983Z","current":{"claim_id":"911059ea-2f19-4a20-a06d-154eefd9d6f0","value":true,"unit":null,"verification_state":"verified","confidence_recorded":79,"observed_on":"2026-09-13","recorded_at":"2026-09-13T21:04:02.966Z","ended_at":null,"ended_by":null,"superseded_by_claim_id":null,"withdrawal_reason":null,"valid_from":null,"extraction":"muster:\\bAPI\\s+(?:documentation|reference|docs)\\b","reader":"text pattern","parser_version":null,"method":null,"excerpt":"...pp in less than one day. Everything you need to get started AI Powered Documentation Full API Reference SDKs Postman Collection Powerful features, implemented fast Easily provide a secure, reli...","sources":[{"url":"https://sign.dropbox.com/developers","tier":1,"type":"api_documentation","retrieved_on":"2026-09-13","role":"evidence"},{"url":"https://sign.dropbox.com/developers","tier":1,"type":"api_documentation","retrieved_on":"2026-10-16","role":"evidence"}]},"version_count":2,"versions":[{"claim_id":"30c990c6-bcf4-484d-961c-4feca70cc069","value":null,"unit":null,"verification_state":"unknown","confidence_recorded":0,"observed_on":"2026-09-13","recorded_at":"2026-09-13T21:02:38.983Z","ended_at":"2026-09-13T21:04:02.966Z","ended_by":"superseded","superseded_by_claim_id":"911059ea-2f19-4a20-a06d-154eefd9d6f0","withdrawal_reason":null,"valid_from":null,"extraction":"muster:kein-treffer","reader":"text patterns of this attribute; nothing on the page matched","parser_version":null,"method":null,"excerpt":null,"sources":[{"url":"https://sign.dropbox.com/","tier":1,"type":"official_documentation","retrieved_on":"2026-09-13","role":"checked_without_finding"}]},{"claim_id":"911059ea-2f19-4a20-a06d-154eefd9d6f0","value":true,"unit":null,"verification_state":"verified","confidence_recorded":79,"observed_on":"2026-09-13","recorded_at":"2026-09-13T21:04:02.966Z","ended_at":null,"ended_by":null,"superseded_by_claim_id":null,"withdrawal_reason":null,"valid_from":null,"extraction":"muster:\\bAPI\\s+(?:documentation|reference|docs)\\b","reader":"text pattern","parser_version":null,"method":null,"excerpt":"...pp in less than one day. Everything you need to get started AI Powered Documentation Full API Reference SDKs Postman Collection Powerful features, implemented fast Easily provide a secure, reli...","sources":[{"url":"https://sign.dropbox.com/developers","tier":1,"type":"api_documentation","retrieved_on":"2026-09-13","role":"evidence"},{"url":"https://sign.dropbox.com/developers","tier":1,"type":"api_documentation","retrieved_on":"2026-10-16","role":"evidence"}]}],"changes":[{"id":"97686","type":"research_update","label":"Research update","material":false,"sentence":"Dropbox Sign: Public API is now recorded as not measured.","noticed_at":"2026-09-13T21:02:38.983Z","subject":{"kind":"product","slug":"dropbox-sign","name":"Dropbox Sign"},"before":null,"after":{"value":null,"verification_state":"unknown","confidence":0},"claim_id":"30c990c6-bcf4-484d-961c-4feca70cc069","statement_id":"st_f144d8213d88497da6f5","corrected":null},{"id":"98158","type":"documented","label":"First documented","material":true,"sentence":"Dropbox Sign: Public API documented as yes (verified). A first finding of ours, not a change at the vendor.","noticed_at":"2026-09-13T21:04:02.966Z","subject":{"kind":"product","slug":"dropbox-sign","name":"Dropbox Sign"},"before":{"value":null,"verification_state":"unknown","confidence":0},"after":{"value":true,"verification_state":"verified","confidence":79},"claim_id":"911059ea-2f19-4a20-a06d-154eefd9d6f0","statement_id":"st_f144d8213d88497da6f5","corrected":null}],"page_url":"https://sourcetier.com/statements/st_f144d8213d88497da6f5","contract":"A statement is the question a claim answers: one subject, one attribute, one scope and region. statement_id stays the same when a new value supersedes the old one, when we withdraw it and when two duplicate entities are merged (the old id then redirects). claim_id identifies one version. versions lists every version oldest first; ended_by is superseded, withdrawn or null for the current one. confidence_recorded is the confidence stored when that version was written, not a recomputation. unknown describes our research, never the product."}