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supabase/apps/docs
Tomás PozoandChris Chinchilla 4ed75886fc docs: guide for migrating to publishable and secret API keys (#46600)
## What

Adds a getting-started guide for migrating an existing project from the
legacy JWT-based `anon` and `service_role` keys to the new publishable
(`sb_publishable_...`) and secret (`sb_secret_...`) keys.

The guide walks through the migration step by step:

- **Before you start** — maps legacy keys to their replacements.
- **Step 1** — create the new `default` keys.
- **Step 2 / 3** — swap the publishable key in client code and the
secret key in backend code.
- **Database Webhooks and `pg_net`** — move the key from the
`Authorization: Bearer` header to the `apikey` header (the new keys
aren't JWTs and are rejected on `Authorization`), with a Vault note for
not inlining secrets.
- **Step 4** — update Edge Functions, with two options: read the new env
vars (`SUPABASE_PUBLISHABLE_KEYS` / `SUPABASE_SECRET_KEYS`) and set
`verify_jwt = false`, or adopt the `@supabase/server` SDK.
- **Step 5 / 6** — verify nothing uses the legacy keys, then deactivate
them (reversible).
- **Next steps** — clarifies that JWT signing keys are a separate,
independent migration.

## Notes

While writing this we found Studio issues to fix separately (the Invoke
Function cURL snippet and the Database Webhooks editor both put the new
keys on the `Authorization` header).

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit

* **Documentation**
* Added a comprehensive migration guide for moving from legacy JWT-based
API keys to the new publishable and secret keys with zero‑downtime
steps, verification, limitations, and next steps.
* Clarified API key behavior and recommended migration actions in the
getting‑started docs.
  * Added a navigation entry linking to the new migration guide.

* **Style**
* Relaxed documentation lint rules to allow expected wording/phrases
(e.g., "backends", "Database Webhooks").
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

---------

Co-authored-by: Chris Chinchilla <chris@chrischinchilla.com>
2026-06-04 11:28:57 +02:00
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