> For the complete documentation index, see [llms.txt](https://docs.payshield.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.payshield.ai/transaction-processing/integrations-and-apis/responses.md).

# Responses

#### To Redirect Page and to Postback Url

The response from the server is an array. If the status has the value "**OK**" the transaction has been successfully processed.

The response array has the following structure:

| Name         | Data Type | Description                                                                                                                                     |
| ------------ | --------- | ----------------------------------------------------------------------------------------------------------------------------------------------- |
| sid          | String    | Has the sid where transaction was processed                                                                                                     |
| status       | String    | Has the value "OK" for a successful transaction, or "EXC" for a failed transaction                                                              |
| parent\_txid | String    | Parent transaction id                                                                                                                           |
| txid         | String    | The transaction ID                                                                                                                              |
| tx\_action   | String    | The state change txaction, e.g. "PAYMENT"                                                                                                       |
| amount       | String    | The amount processed. The gateway currency amount                                                                                               |
| currency     | String    | The currency in which the transaction was processed                                                                                             |
| comment      | String    | Response from the gateway                                                                                                                       |
| rebillkey    | String    | rebillkey for the transaction, if rebill is allowed                                                                                             |
| descriptor   | String    | Gateway descriptor name                                                                                                                         |
| tid          | String    | From the original transaction                                                                                                                   |
| ref1         | String    | From the original transaction                                                                                                                   |
| ref2         | String    | From the original transaction                                                                                                                   |
| ref3         | String    | From the original transaction                                                                                                                   |
| ref4         | String    | From the original transaction                                                                                                                   |
| vrfy         | String    | This is a sha 256 hash so the data can be verified. To generate hash with sha256 the string of *sid;rcode;txid;status;amount;currency;txaction* |
|              |           |                                                                                                                                                 |
| **error**    |           | **f an error has occurred, then the status value will equal "EXC" and these parameters will be sent as well**                                   |
| error\_type  | String    | The error type                                                                                                                                  |
| error\_sys   | String    | The system that caused the error (client or server)                                                                                             |
| error\_msg   | String    | The error message                                                                                                                               |
| error\_info  | String    | Error information that contains the bank message and bank code                                                                                  |
| error\_code  | String    | Txprocess UAT error code                                                                                                                        |


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