ExecutionError 502
When does this happen?
The payment rail rejected or failed to process the transaction. The reason field (when present) contains rail-specific failure details.
Example response
{
"_tag": "ExecutionError",
"type": "ExecutionError",
"message": "Payment rail returned an error",
"reason": "insufficient_funds",
"docs_url": "https://docs.borderli.dev/errors/ExecutionError"
}What to do
Retry with exponential backoff using the same idempotency key. If the error persists, check the reason field for actionable details.