Get transaction

{  "id": "txn_1a2b3c4d",  "invoiceId": "inv_1a2b3c4d",  "grossAmount": 2000,  "subtotal": 2000,  "taxAmount": 0,  "presentmentAmount": 2000,  "currency": "usd",  "provider": "commet",  "status": "succeeded",  "customerEmail": "user@example.com",  "customerName": "user@example.com",  "paidAt": "2026-09-07T12:00:00.000Z",  "createdAt": "2026-09-07T12:00:00.000Z",  "updatedAt": "2026-09-07T12:00:00.000Z",  "availableAt": null,  "object": "transaction",  "livemode": false,  "paymentContext": {    "reason": "recurring_billing",    "paymentLinkId": null,    "recovery": null  }}

{  "error": {    "type": "validation_error",    "code": "validation_error",    "message": "The request contains an invalid parameter.",    "doc_url": "https://commet.co/docs/api-reference/2026-08-27/errors/validation_error.md"  }}

{  "error": {    "type": "authentication_error",    "code": "unauthorized",    "message": "A valid API key is required.",    "doc_url": "https://commet.co/docs/api-reference/2026-08-27/errors/unauthorized.md"  }}

{  "error": {    "type": "authentication_error",    "code": "forbidden",    "message": "You do not have permission to perform this operation.",    "doc_url": "https://commet.co/docs/api-reference/2026-08-27/errors/forbidden.md"  }}

{  "error": {    "type": "not_found_error",    "code": "not_found",    "message": "The requested resource was not found.",    "doc_url": "https://commet.co/docs/api-reference/2026-08-27/errors/not_found.md"  }}

{  "error": {    "type": "rate_limit_error",    "code": "rate_limited",    "message": "Too many requests. Retry after the interval specified in the Retry-After header.",    "doc_url": "https://commet.co/docs/api-reference/2026-08-27/errors/rate_limited.md"  }}

{  "error": {    "type": "internal_error",    "code": "internal_error",    "message": "An unexpected error occurred while processing the request.",    "doc_url": "https://commet.co/docs/api-reference/2026-08-27/errors/internal_error.md"  }}