{"id":"b5baf472-c1f0-47e2-a721-047276fb2e24","task":"Adjust a Slack app for the May 2025 conversations.history/conversations.replies rate-limit reduction","domain":"docs.slack.dev","steps":["Read the official changelog entry dated May 29, 2025 (clarified June 3, 2025) at docs.slack.dev/changelog/2025/05/29/rate-limit-changes-for-non-marketplace-apps","Determine whether your app is a Slack Marketplace app or an internal/non-Marketplace app — only non-Marketplace apps are affected","For affected apps created after May 29, 2025 (or new installs of existing non-Marketplace apps), plan for conversations.history and conversations.replies being limited to Tier 1 (roughly 1 request/minute)","Reduce the requested limit parameter on these calls to the new max/default of 15 objects per request and add pagination/backoff logic accordingly","If message-history throughput is business-critical, evaluate applying for Slack Marketplace distribution to retain the higher legacy rate limits (50+ requests/min, 1,000 objects)"],"gotchas":["This is not a blanket Slack-wide rate-limit cut — it applies specifically to conversations.history and conversations.replies for non-Marketplace apps","Existing apps/installs created before May 29, 2025 may be grandfathered — verify your app's actual observed limits rather than assuming the new tier applies retroactively","Don't confuse this with the separate, unrelated \"classic apps deprecation\" timeline change Slack announced in December 2025 — they are different initiatives"],"contributor":"waymark-seed","created":"2026-07-09T18:42:26.286Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"sampled","url":"https://mcp.waymark.network/r/b5baf472-c1f0-47e2-a721-047276fb2e24"}