> For the complete documentation index, see [llms.txt](https://firstoken.gitbook.io/api-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://firstoken.gitbook.io/api-docs/api-reference.md).

# API Reference

- [Overview](https://firstoken.gitbook.io/api-docs/api-reference/overview.md)
- [Permanent Tokenization](https://firstoken.gitbook.io/api-docs/api-reference/permanent-tokenization.md)
- [Create a permanent token](https://firstoken.gitbook.io/api-docs/api-reference/permanent-tokenization/create-a-permanent-token.md)
- [Detokenize a permanent token](https://firstoken.gitbook.io/api-docs/api-reference/permanent-tokenization/detokenize-a-permanent-token.md)
- [Inspect a permanent token](https://firstoken.gitbook.io/api-docs/api-reference/permanent-tokenization/inspect-a-permanent-token.md)
- [Delete permanent tokens](https://firstoken.gitbook.io/api-docs/api-reference/permanent-tokenization/delete-permanent-tokens.md)
- [Transactions](https://firstoken.gitbook.io/api-docs/api-reference/transactions.md)
- [Create a Transaction](https://firstoken.gitbook.io/api-docs/api-reference/transactions/create-a-transaction.md)
- [Retrieve a Transaction](https://firstoken.gitbook.io/api-docs/api-reference/transactions/retrieve-a-transaction.md)
- [Inspect a Transaction](https://firstoken.gitbook.io/api-docs/api-reference/transactions/inspect-a-transaction.md)
- [Delete a Transaction](https://firstoken.gitbook.io/api-docs/api-reference/transactions/delete-a-transaction.md)
- [Tokenize a Transaction](https://firstoken.gitbook.io/api-docs/api-reference/transactions/tokenize-a-transaction.md)
- [Proxy](https://firstoken.gitbook.io/api-docs/api-reference/proxy.md)
- [Allowed Headers](https://firstoken.gitbook.io/api-docs/api-reference/proxy/allowed-headers.md)
- [Actions](https://firstoken.gitbook.io/api-docs/api-reference/proxy/actions.md)
- [Methods](https://firstoken.gitbook.io/api-docs/api-reference/proxy/methods.md)
- [POST - Proxy](https://firstoken.gitbook.io/api-docs/api-reference/proxy/methods/post-proxy.md)
- [GET - Proxy](https://firstoken.gitbook.io/api-docs/api-reference/proxy/methods/get-proxy.md)
- [PUT - Proxy](https://firstoken.gitbook.io/api-docs/api-reference/proxy/methods/put-proxy.md)
- [PATCH - Proxy](https://firstoken.gitbook.io/api-docs/api-reference/proxy/methods/patch-proxy.md)
- [DELETE - Proxy](https://firstoken.gitbook.io/api-docs/api-reference/proxy/methods/delete-proxy.md)
- [Get Payload Hash](https://firstoken.gitbook.io/api-docs/api-reference/proxy/get-payload-hash.md)
- [Proxy JOSE](https://firstoken.gitbook.io/api-docs/api-reference/proxy/proxy-jose.md)
- [Proxy WSSEC](https://firstoken.gitbook.io/api-docs/api-reference/proxy/proxy-wssec.md)
- [Inbound Routes](https://firstoken.gitbook.io/api-docs/api-reference/inbound-routes.md)
- [Create an Inbound - POST](https://firstoken.gitbook.io/api-docs/api-reference/inbound-routes/create-an-inbound-post.md)
- [Payments](https://firstoken.gitbook.io/api-docs/api-reference/payments.md)
- [Attributes of the Request](https://firstoken.gitbook.io/api-docs/api-reference/payments/attributes-of-the-request.md)
- [Common response](https://firstoken.gitbook.io/api-docs/api-reference/payments/common-response.md)
- [Endpoints](https://firstoken.gitbook.io/api-docs/api-reference/payments/endpoints.md)
- [Authorizations](https://firstoken.gitbook.io/api-docs/api-reference/payments/endpoints/authorizations.md)
- [Reversals](https://firstoken.gitbook.io/api-docs/api-reference/payments/endpoints/reversals.md)
- [Capture](https://firstoken.gitbook.io/api-docs/api-reference/payments/endpoints/capture.md)
- [Capture Refunds](https://firstoken.gitbook.io/api-docs/api-reference/payments/endpoints/capture/capture-refunds.md)
- [Capture Void](https://firstoken.gitbook.io/api-docs/api-reference/payments/endpoints/capture/capture-void.md)
- [Payments](https://firstoken.gitbook.io/api-docs/api-reference/payments/endpoints/payments.md)
- [Payment Refunds](https://firstoken.gitbook.io/api-docs/api-reference/payments/endpoints/payments/payment-refunds.md)
- [Payment Void](https://firstoken.gitbook.io/api-docs/api-reference/payments/endpoints/payments/payment-void.md)
- [Refunds void](https://firstoken.gitbook.io/api-docs/api-reference/payments/endpoints/refunds-void.md)
- [Credit](https://firstoken.gitbook.io/api-docs/api-reference/payments/endpoints/credit.md)
- [Credit Void](https://firstoken.gitbook.io/api-docs/api-reference/payments/endpoints/credit/credit-void.md)
- [Get Transaction Details](https://firstoken.gitbook.io/api-docs/api-reference/payments/endpoints/get-transaction-details.md)
- [Point of Sale Payments](https://firstoken.gitbook.io/api-docs/api-reference/payments/point-of-sale-payments.md)
- [Authorization](https://firstoken.gitbook.io/api-docs/api-reference/payments/point-of-sale-payments/authorization.md)
- [Capture](https://firstoken.gitbook.io/api-docs/api-reference/payments/point-of-sale-payments/capture.md)
- [Payment](https://firstoken.gitbook.io/api-docs/api-reference/payments/point-of-sale-payments/payment.md)
- [Credit](https://firstoken.gitbook.io/api-docs/api-reference/payments/point-of-sale-payments/credit.md)
- [Payments API - KOIN](https://firstoken.gitbook.io/api-docs/api-reference/payments/payments-api-koin.md)
- [Payments - Complete Flow](https://firstoken.gitbook.io/api-docs/api-reference/payments/payments-api-koin/payments-complete-flow.md)
- [Authorization](https://firstoken.gitbook.io/api-docs/api-reference/payments/payments-api-koin/authorization.md)
- [Card Validation](https://firstoken.gitbook.io/api-docs/api-reference/payments/payments-api-koin/card-validation.md)
- [Capture](https://firstoken.gitbook.io/api-docs/api-reference/payments/payments-api-koin/capture.md)
- [Payment Refund](https://firstoken.gitbook.io/api-docs/api-reference/payments/payments-api-koin/payment-refund.md)
- [Authorization Void](https://firstoken.gitbook.io/api-docs/api-reference/payments/payments-api-koin/authorization-void.md)
- [Get Transaction Details](https://firstoken.gitbook.io/api-docs/api-reference/payments/payments-api-koin/get-transaction-details.md)
- [Testing Guide](https://firstoken.gitbook.io/api-docs/api-reference/payments/payments-api-koin/testing-guide.md)
- [Risk](https://firstoken.gitbook.io/api-docs/api-reference/risk.md)
- [Firstoken Fraud](https://firstoken.gitbook.io/api-docs/api-reference/risk/firstoken-fraud.md)
- [How it works](https://firstoken.gitbook.io/api-docs/api-reference/risk/firstoken-fraud/how-it-works.md)
- [Create decision](https://firstoken.gitbook.io/api-docs/api-reference/risk/firstoken-fraud/create-decision.md): Creates a new fraud decision to evaluate a transaction.
- [Update Decision](https://firstoken.gitbook.io/api-docs/api-reference/risk/firstoken-fraud/update-decision.md): Updates an existing decision that is in manual review status.
- [Payer Authentication (3D-Secure)](https://firstoken.gitbook.io/api-docs/api-reference/risk/payer-authentication-3d-secure.md)
- [How it works](https://firstoken.gitbook.io/api-docs/api-reference/risk/payer-authentication-3d-secure/how-it-works.md)
- [Detailed Flow Scenarios](https://firstoken.gitbook.io/api-docs/api-reference/risk/payer-authentication-3d-secure/detailed-flow-scenarios.md)
- [Frictionless Success Flow](https://firstoken.gitbook.io/api-docs/api-reference/risk/payer-authentication-3d-secure/detailed-flow-scenarios/frictionless-success-flow.md)
- [Pending Authentication Flow](https://firstoken.gitbook.io/api-docs/api-reference/risk/payer-authentication-3d-secure/detailed-flow-scenarios/pending-authentication-flow.md): Challenge Required
- [Frictionless Failed Authentication](https://firstoken.gitbook.io/api-docs/api-reference/risk/payer-authentication-3d-secure/detailed-flow-scenarios/frictionless-failed-authentication.md)
- [Data-Only Authentication](https://firstoken.gitbook.io/api-docs/api-reference/risk/payer-authentication-3d-secure/data-only-authentication.md)
- [Test Cards](https://firstoken.gitbook.io/api-docs/api-reference/risk/payer-authentication-3d-secure/test-cards.md)
- [Endpoints](https://firstoken.gitbook.io/api-docs/api-reference/risk/payer-authentication-3d-secure/endpoints.md)
- [Setup](https://firstoken.gitbook.io/api-docs/api-reference/risk/payer-authentication-3d-secure/endpoints/setup.md): Initializes the payer authentication process and obtains the necessary tokens for the 3D Secure flow.
- [Check enroll](https://firstoken.gitbook.io/api-docs/api-reference/risk/payer-authentication-3d-secure/endpoints/check-enroll.md): Verifies if the card is enrolled in 3-D Secure and initiates the authentication challenge if required.
- [Validate](https://firstoken.gitbook.io/api-docs/api-reference/risk/payer-authentication-3d-secure/endpoints/validate.md): Validates the authentication results after the user completes the 3D Secure challenge.
- [Network Token](https://firstoken.gitbook.io/api-docs/api-reference/network-token.md)
- [Enroll Card](https://firstoken.gitbook.io/api-docs/api-reference/network-token/enroll-card.md): Enrolls a Firstoken permanent token in the card network's tokenization program.
- [Get Payment Credentials](https://firstoken.gitbook.io/api-docs/api-reference/network-token/get-payment-credentials.md)
- [How  Network Token works](https://firstoken.gitbook.io/api-docs/api-reference/network-token/how-network-token-works.md)
- [Integration Flows](https://firstoken.gitbook.io/api-docs/api-reference/network-token/integration-flows.md)
- [Test Cards for Network Token](https://firstoken.gitbook.io/api-docs/api-reference/network-token/test-cards-for-network-token.md)