What error types are covered?

A curated set of REST codes, gateway close codes, and common HTTP statuses. Unknown codes still parse from pasted JSON bodies.

How do I use the JSON parser?

Paste the raw error response from your bot logs. The tool lists top-level code and message plus nested _errors field paths.

No. The reference data and JSON parser run entirely in your browser.

Bot developer

REST, gateway, and HTTP error code reference with JSON parser.

API error decoder

Code or name

Paste error JSON

Search by numeric code or error name like MISSING_PERMISSIONS.
Or paste a full Discord API error JSON body to walk nested _errors paths.
Cross-check fixes with Permissions Calculator or Gateway Intents for permission-related codes.

What error types are covered?: A curated set of REST codes, gateway close codes, and common HTTP statuses. Unknown codes still parse from pasted JSON bodies.
How do I use the JSON parser?: Paste the raw error response from your bot logs. The tool lists top-level code and message plus nested _errors field paths.
Does this call Discord?: No. The reference data and JSON parser run entirely in your browser.