# Gateway SaaS ## Docs - Guides [Welcome](https://docs.gatewaysaas.com/welcome.md): - Guides [Interface](https://docs.gatewaysaas.com/interface.md): - API Reference [Introduction](https://docs.gatewaysaas.com/introduction.md): - API Reference [Endpoints](https://docs.gatewaysaas.com/endpoints.md): - API Reference [Data Types](https://docs.gatewaysaas.com/datatypes.md): - API Reference [Signing](https://docs.gatewaysaas.com/signing.md): - API Reference [3-D Secure Verification](https://docs.gatewaysaas.com/3ds.md): - API Reference [Subscription](https://docs.gatewaysaas.com/subscription.md): - API Reference [Errors](https://docs.gatewaysaas.com/errors.md): - API Reference [Webhooks](https://docs.gatewaysaas.com/webhooks.md): - API Reference [Items Information](https://docs.gatewaysaas.com/items.md): - API Reference [Changelog](https://docs.gatewaysaas.com/changelog.md): - Appendix [Test Cards](https://docs.gatewaysaas.com/testcards.md): - Appendix [Bank Code](https://docs.gatewaysaas.com/bankcode.md): - Appendix [Country Code](https://docs.gatewaysaas.com/countrycode.md): - Appendix [Currency Code](https://docs.gatewaysaas.com/currencycode.md): - Appendix [Payment Methods](https://docs.gatewaysaas.com/paymentmethods.md): ## API Docs - API Reference > Acquiring [Create a direct payment](https://docs.gatewaysaas.com/direct.md): Create a direct payment request - API Reference > Acquiring [Create a APM payment](https://docs.gatewaysaas.com/apm.md): Alternative Payment Method - API Reference > Acquiring [Create a redirect (iFrame) payment](https://docs.gatewaysaas.com/redirect.md): Create a redirect session for your customer by generating a Gateway SaaS hosted payment page. - API Reference > Acquiring [Query a transaction](https://docs.gatewaysaas.com/query.md): Query up to 100 orders in a single request. - API Reference > Acquiring [Capture a transaction](https://docs.gatewaysaas.com/capture.md): Capture can be done by batch – up to 50 orders in a single request. - API Reference > Acquiring [Review a transaction](https://docs.gatewaysaas.com/review.md): Review transactions up to 100 orders in a single request. - API Reference > Acquiring [Cancel a transaction](https://docs.gatewaysaas.com/cancel.md): Cancel transactions up to 50 orders in a single request. - API Reference > Acquiring [Cancel a subscription](https://docs.gatewaysaas.com/cancelsubscription.md): Cancels a customer's subscription immediately. The customer won't be charged again for the subscription. - API Reference > Acquiring [Refund a transaction](https://docs.gatewaysaas.com/refund.md): Refund orders by batch up to 50 orders in a single request. - API Reference > Acquiring [Search a refund transaction](https://docs.gatewaysaas.com/searchrefund.md): Search refund transactions – up to 100 orders in a single request. - API Reference > Acquiring [Create a payout](https://docs.gatewaysaas.com/payout.md): Create a payout request - API Reference > Acquiring [Optimise payment methods](https://docs.gatewaysaas.com/optimise.md): Our system leverages transaction data to recommend the optimal payment methods, aiming to enhance the overall payment acceptance rate. - API Reference > Issuing > Cardholder [Create cardholder](https://docs.gatewaysaas.com/createcardholder.md): Create a new cardholder - API Reference > Issuing > Cardholder [Delete cardholder](https://docs.gatewaysaas.com/deletecardholder.md): Delete a cardholder - API Reference > Issuing > Cardholder [Query cardholder](https://docs.gatewaysaas.com/querycardholder.md): Retrieve details of a cardholder - API Reference > Issuing > Group [Create group](https://docs.gatewaysaas.com/creategroup.md): Create a new group - API Reference > Issuing > Group [Query group details](https://docs.gatewaysaas.com/querygroup.md): Retrieve details of a group - API Reference > Issuing > Group [Cancel group](https://docs.gatewaysaas.com/cancelgroup.md): Cancel an existing group - API Reference > Issuing > Group [Refund group](https://docs.gatewaysaas.com/refundgroup.md): Refund an amount to a group - API Reference > Issuing > Group [Update group status](https://docs.gatewaysaas.com/updategroup.md): Update the status of a group (Active or Inactive) - API Reference > Issuing > Group [Recharge group](https://docs.gatewaysaas.com/rechargegroup.md): Recharge a group - API Reference > Issuing > Card [Query card BIN](https://docs.gatewaysaas.com/querybin.md): Query card BIN details - API Reference > Issuing > Card [Create a card](https://docs.gatewaysaas.com/createcard.md): Create a new card - API Reference > Issuing > Card [Query card details](https://docs.gatewaysaas.com/querydetails.md): Retrieve details of a card - API Reference > Issuing > Card [Recharge card](https://docs.gatewaysaas.com/rechargecard.md): Recharge a card - API Reference > Issuing > Card [Withdraw from a card](https://docs.gatewaysaas.com/withdrawcard.md): Withdraw an amount from a card to account - API Reference > Issuing > Card [Cancel a card](https://docs.gatewaysaas.com/cancelcard.md): Cancel an existing card - API Reference > Issuing > Card [Update card status](https://docs.gatewaysaas.com/updatecard.md): Update the status of a card (Blocked or Active) - API Reference > Issuing > Card [Update card limit](https://docs.gatewaysaas.com/updatelimit.md): Update the limit for a shared card ## Schemas - Sample Schemas [Review](https://docs.gatewaysaas.com/schema-4271417.md): - Sample Schemas [Chargeback](https://docs.gatewaysaas.com/schema-4271418.md): - Sample Schemas [Payment](https://docs.gatewaysaas.com/schema-4271419.md): - Sample Schemas [Refund](https://docs.gatewaysaas.com/schema-4271420.md): - Sample Schemas [Subscription Request](https://docs.gatewaysaas.com/schema-6352316.md): - Sample Schemas [Subscription Response](https://docs.gatewaysaas.com/schema-6352318.md): - Sample Schemas [3DS Redirect](https://docs.gatewaysaas.com/schema-6352320.md): - Sample Schemas [3DS Response](https://docs.gatewaysaas.com/schema-6352319.md):