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Miranda Limonczenko
4d2bd0eacf
Closes DOCS-1311 Closes FDBKIN-2926 Closes DOCS-694 ## I have read the [CONTRIBUTING.md](https://github.com/supabase/supabase/blob/master/CONTRIBUTING.md) file. YES ## What kind of change does this PR introduce? Docs update. Corrections and new content. This is the PR that is to bring the Eval to green. ## What is the current behavior? Two statements are wrong, and the gaps behind most logged confusion about this page are unfilled. - The Availability column marks publishable and secret keys Platform-only. `supabase start` prints both. - The page says Edge Functions only verify the legacy keys and to use `--no-verify-jwt`. #49700 updated `guides/functions/auth-headers` to document that `verify_jwt` accepts the new keys on either header, but left this page and the migration guide stating the old behavior. - The page has no code samples, so it never shows how a key reaches code. An agent reading it falls back on `SUPABASE_SERVICE_ROLE_KEY`, the legacy key this same page deprecates. - Nothing maps `anon` and `service_role` to their replacements, or says the replacements aren't `eyJ`-prefixed JWTs. - The Postgres role table covers only publishable keys. ## What is the new behavior? Corrections: - Mark all four key types available on Platform and CLI, and note that the local secret key takes the place of the local `service_role` key. - Point the Edge Functions guidance at the `@supabase/server` SDK instead of `--no-verify-jwt`. Fix the same bullet in the migration guide. Additions: - "Coming from `anon` and `service_role`" gives the legacy-to-new mapping and says the replacements aren't JWTs. - Extend the Postgres role table to cover secret keys, and note that grants are evaluated before Row Level Security, so a missing grant fails even for `service_role`. - State who does what. Copying a key needs a signed-in Dashboard session, so it is a person's step, while code only refers to the variable name. Add a `.env` sample naming the variables. - Add the two `createClient` samples the page lacked, plus an "Inside an Edge Function" subsection using `withSupabase`, which reads no key from the environment. - Cross-reference from the key decision to retrieving a value, wiring it into code, or migrating an application that ships legacy keys. ## Additional context PR 4 of 4. Base is #49797. ## Manual testing 1. Open the API keys guide on the deploy preview. 2. Check the Key types table. All four rows read "Platform, CLI". 3. Check Known limitations. It no longer mentions `--no-verify-jwt`. 4. Open the migration guide and check Known limitations. The Edge Functions bullet matches. <!-- This is an auto-generated comment: release notes by coderabbit.ai --> ## Summary by CodeRabbit * **Documentation** * Updated API key guidance with clearer instructions for finding, selecting, and using publishable and secret keys. * Added examples for environment variables, client applications, backend code, and Edge Functions. * Clarified key formats, CLI availability, local development output, Postgres role mappings, and authorization behavior. * Expanded guidance on `apikey` headers, RLS errors, and Edge Function API key authorization. * Refined migration guidance for API key authentication in Edge Functions. <!-- end of auto-generated comment: release notes by coderabbit.ai -->