# ErrorCode

`ErrorCode` — string

- `MALFORMED_REQUEST` (400): the body is not valid JSON.
- `UNAUTHORIZED` (401): key missing, wrong, expired or revoked.
- `CONNECTION_REVOKED` (403): the restaurant deleted the connection.
- `ORDER_NOT_FOUND` (404): unknown order, or another connection's.
- `STORE_OFFLINE` (409): the restaurant is not taking orders through this connection.
- `WEBHOOK_NOT_CONFIGURED` (409): set a webhook URL first.
- `ORDER_CONFLICT` (409): the `externalId` exists with another payload.
- `INVALID_TRANSITION` (409): cancel of a completed/rejected order; courier update for a store-delivered order.
- `REQUEST_IN_PROGRESS` (409): the same order is still being received, or secret rotations collide; `Retry-After`.
- `INVALID_FIELD` (422): schema violation (`path`), invalid webhook URL, invalid payment combination.
- `INVALID_AMOUNTS` (422): sums or `amountPaid` do not add up.
- `CURRENCY_MISMATCH` (422): not the restaurant's currency.
- `RATE_LIMITED` (429): too many requests; `Retry-After`.
- `INTERNAL_ERROR` (500): our failure; retry with the same body.
- `SERVICE_UNAVAILABLE` (503): a service we depend on is not reachable; retry later.

## Allowed values

- `MALFORMED_REQUEST`
- `UNAUTHORIZED`
- `CONNECTION_REVOKED`
- `ORDER_NOT_FOUND`
- `STORE_OFFLINE`
- `WEBHOOK_NOT_CONFIGURED`
- `ORDER_CONFLICT`
- `INVALID_TRANSITION`
- `REQUEST_IN_PROGRESS`
- `INVALID_FIELD`
- `INVALID_AMOUNTS`
- `CURRENCY_MISMATCH`
- `RATE_LIMITED`
- `INTERNAL_ERROR`
- `SERVICE_UNAVAILABLE`

## Example

```json
"MALFORMED_REQUEST"
```