The request handler may return various status codes depending on the encountered errors. These codes provide insight into what went wrong, without necessarily indicating how to fix the issue.
| Status Code | Name | Description |
|---|---|---|
400 BAD_REQUEST |
TapCoreError(SignatureError or ReceiptError::CheckFailure) |
The received Tap-related data is invalid (e.g., incorrect signature or failed receipt check). |
402 PAYMENT_REQUIRED |
ReceiptNotFound |
A required Tap receipt was not found in the request. |
402 PAYMENT_REQUIRED |
EscrowAccount |
The signer does not match any known sender or the domain for signature recovery is incorrect (as per the [blockchain] section in the config). |
500 INTERNAL_SERVER_ERROR |
TapCoreError(Other) |
An internal server error related to Tap core functionality, such as a failure in storing the receipt. |
502 BAD_GATEWAY |
SerializationError |
The response from graph-node could not be serialized into a GraphQL response. |
503 SERVICE_UNAVAILABLE |
QueryForwardingError |
The request could not be processed due to an error while forwarding the query to graph-node. |
These errors occur specifically during status operations:
| Status Code | Name | Description |
|---|---|---|
400 BAD_REQUEST |
InvalidStatusQuery |
The query contains invalid status parameters. |
400 BAD_REQUEST |
UnsupportedStatusQueryFields |
The query includes fields that are not supported. |
502 BAD_GATEWAY |
StatusQueryError |
An internal error was encountered during the status query process. |