Binance API connection errors and revoking access: error codes, 429 limits and leaving a tool
Trace -2015, -1021, -1022 and 429 errors, separate timestamp and signature problems, rotate API keys safely and remove access after you stop using a tool.
API connection failed: checking -2015, -1021, -1022 and 429
Separate access, time, signature and rate-limit problems without blindly widening permissions.
Read the guide ↗05 · Removing access after leaving a toolLeaving a trading tool: what to check after uninstalling
Separate uninstalling, revoking API access and checking remaining platform state.
Read the guide ↗05 · Rotating and revoking API keysPlanned key rotation or immediate revocation?
Choose the right sequence for maintenance or suspected exposure, then verify the new read path and retire old credentials.
Read the guide ↗04 · Fixing API connection errorsDiagnosing -1021 and -1022 without exposing credentials
Separate request timing from signature construction and collect useful evidence for the tool maintainer.
Read the guide ↗04 · Fixing API connection errorsPause on 429: coordinating retries behind a shared IP
Review manual refreshes, background synchronization and shared outbound capacity before retrying a read request.
Read the guide ↗04 · Fixing API connection errorsBinance user data stream disconnected: 24-hour limit, missed pong or retired listenKey?
Order status and balances stopped updating in your tool? Tell apart the four causes in Binance’s spot docs: the 24-hour connection cap, a missed pong, an ended subscription, or a tool still on the listenKey endpoints retired on 2026-02-20.
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