Common questions about the public API.
sig their reply had, or changed. They still reach the model, but as quotes from your app rather than its own words. Keep each reply's sig and send it back with it. See API Reference.X-RateLimit-Remaining and X-RateLimit-Remaining-Day on a normal answer, and the key's request log on the dashboard. If something else is using the key (another copy of your app, a leak, a loop that retries too fast), the log shows it. Your account's keys also share one allowance. See Rate Limits./api/v1/) specifically so it can evolve without breaking existing integrations — a future breaking change would land under a new version path, not silently change /v1 underneath you.