## What
Fixes two bugs found while writing component tests for the platform
webhooks page (follow-up to FE-3749):
1. The webhooks API nests error details under an `error` key (`{ error:
{ code, message } }`), but the shared `handleError` only reads a
top-level `message`. This meant the friendly rate-limit message ("wait a
minute and try again") never actually fired, it always fell back to a
generic error. Fixed with a local unwrapping `handleError` in
`platform-webhooks-fetchers.ts`.
2. Every mutation handler on the page (`mutateAsync` for
create/update/delete/regenerate-secret/send-test-event/retry) left the
re-thrown error from React Query uncaught, producing an unhandled
promise rejection on every failure, even though the error toast itself
was already correct. Fixed by wrapping each call in try/catch.
## Why
Found while writing the stacked test PR for FE-3749; filed as
[FE-4620](https://linear.app/supabase/issue/FE-4620/two-webhook-error-handling-bugs-found-while-writing-retryrate-limit)
since it's a correctness fix independent of the test work.
## Testing
Manually verified both fixes on localhost: rate-limit retry now shows
the friendly message, and no `Uncaught (in promise)` errors appear in
the console on any mutation failure.
Supabase
Supabase is the Postgres development platform. We're building the features of Firebase using enterprise-grade open source tools.
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How it works
Supabase is a combination of open source tools. We’re building the features of Firebase using enterprise-grade, open source products. If the tools and communities exist, with an MIT, Apache 2, or equivalent open license, we will use and support that tool. If the tool doesn't exist, we build and open source it ourselves. Supabase is not a 1-to-1 mapping of Firebase. Our aim is to give developers a Firebase-like developer experience using open source tools.
Architecture
Supabase is a hosted platform. You can sign up and start using Supabase without installing anything. You can also self-host and develop locally.
- Postgres is an object-relational database system with over 30 years of active development that has earned it a strong reputation for reliability, feature robustness, and performance.
- Realtime is an Elixir server that allows you to listen to PostgreSQL inserts, updates, and deletes using websockets. Realtime polls Postgres' built-in replication functionality for database changes, converts changes to JSON, then broadcasts the JSON over websockets to authorized clients.
- PostgREST is a web server that turns your PostgreSQL database directly into a RESTful API.
- GoTrue is a JWT-based authentication API that simplifies user sign-ups, logins, and session management in your applications.
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Our approach for client libraries is modular. Each sub-library is a standalone implementation for a single external system. This is one of the ways we support existing tools.
| Language | Client | Feature-Clients (bundled in Supabase client) | ||||
|---|---|---|---|---|---|---|
| Supabase | PostgREST | GoTrue | Realtime | Storage | Functions | |
| ⚡️ Official ⚡️ | ||||||
| JavaScript (TypeScript) | supabase-js | postgrest-js | auth-js | realtime-js | storage-js | functions-js |
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| Python | supabase-py | postgrest-py | gotrue-py | realtime-py | storage-py | functions-py |
| 💚 Community 💚 | ||||||
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| Go | - | postgrest-go | gotrue-go | - | storage-go | functions-go |
| Java | - | - | gotrue-java | - | storage-java | - |
| Kotlin | supabase-kt | postgrest-kt | auth-kt | realtime-kt | storage-kt | functions-kt |
| Ruby | supabase-rb | postgrest-rb | - | - | - | - |
| Rust | - | postgrest-rs | - | - | - | - |
| Godot Engine (GDScript) | supabase-gdscript | - | - | - | - | - |
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