> For a complete page index, fetch https://docs.transak.com/llms.txt # Transaction Process API POST https://api-gateway-stg.transak.com/api/v2/transaction-session/request/{requestId}/process Triggers processing of a payment request that was created by the Transak frontend after the user submitted their Google Pay payment details. This processes the `requestId` returned by the fiat-payment service. Reference: https://docs.transak.com/api/whitelabel/payments/headless-google-pay/transaction-process-api ## OpenAPI Specification ```yaml openapi: 3.1.0 info: title: whitelabel-api version: 1.0.0 paths: /api/v2/transaction-session/request/{requestId}/process: post: operationId: transaction-process-api summary: Transaction Process API description: >- Triggers processing of a payment request that was created by the Transak frontend after the user submitted their Google Pay payment details. This processes the `requestId` returned by the fiat-payment service. tags: - subpackage_headlessGooglePay parameters: - name: requestId in: path description: >- The request ID returned by the fiat-payment service after Google Pay tokenisation. required: true schema: type: string - name: x-user-ip in: header description: >- End user's originating IP. More details [here](/guides/mandatory-security-changes#user-ip-header-in-apis) required: true schema: type: string - name: x-api-key in: header description: >- Your Partner API key. You can find this in the [Partner Dashboard](https://docs.transak.com/guides/how-to-create-partner-dashboard-account#open-the-developers-section). required: true schema: type: string - name: x-access-token in: header description: >- Your Partner Access Token. Please refer [here](/guides/how-to-create-partner-access-token) for a tutorial on generating your access token. Note: This is applicable only for [Auth Reliance Flows](/features/auth-reliance) required: false schema: type: string - name: x-user-identifier in: header description: >- The authenticated user's email address. Note: This is applicable only for [Auth Reliance Flows](/features/auth-reliance). required: false schema: type: string - name: authorization in: header description: >- Authorization token is the accessToken received from the API -` api/v2/auth/verify` Note: This is not applicable for [Auth Reliance Flows](/features/auth-reliance) required: false schema: type: string responses: '200': description: Success content: application/json: schema: $ref: '#/components/schemas/headlessGooglePay:OrderCreatedResponse' '400': description: Bad Request content: application/json: schema: $ref: '#/components/schemas/headlessCards:ApiErrorBody' '401': description: Unauthorized content: application/json: schema: $ref: '#/components/schemas/headlessCards:ApiErrorBody' '404': description: Request ID Not Found content: application/json: schema: $ref: '#/components/schemas/headlessCards:ApiErrorBody' '422': description: Unprocessable Entity content: application/json: schema: $ref: '#/components/schemas/headlessCards:ApiErrorBody' '500': description: Internal Server Error content: application/json: schema: $ref: '#/components/schemas/headlessCards:ApiErrorBody' servers: - url: https://api-gateway-stg.transak.com description: Staging components: schemas: headlessGooglePay:OrderCreatedResponseDataPaymentDetailsItems: type: object properties: fiatCurrency: type: string fields: type: string description: Payment method specific fields (may be truncated). name: type: string description: Display name of the payment method. paymentMethod: type: string description: Payment method identifier. redirectUrl: type: string description: URL to redirect the user for payment authentication. title: OrderCreatedResponseDataPaymentDetailsItems headlessGooglePay:OrderCreatedResponseDataAddressAdditionalData: type: object properties: name: type: string displayName: type: string value: type: string requestId: type: string title: OrderCreatedResponseDataAddressAdditionalData headlessGooglePay:OrderCreatedResponseData: type: object properties: paymentDetails: type: array items: $ref: >- #/components/schemas/headlessGooglePay:OrderCreatedResponseDataPaymentDetailsItems orderId: type: string description: Unique identifier for the created order. partnerUserId: type: string description: Partner's user identifier associated with this order. status: type: string description: Current order status (e.g. AWAITING_PAYMENT_FROM_USER). isBuyOrSell: type: string description: Indicates whether the order is a BUY or SELL. fiatCurrency: type: string description: Fiat currency used for the order. cryptoCurrency: type: string description: Crypto asset being purchased. paymentMethod: type: string description: Payment method used. Always `google_pay` for this flow. network: type: string description: Blockchain network for the crypto asset. networkId: type: string description: Chain ID of the network. walletAddress: type: string description: Destination wallet address for the crypto. quoteId: type: string description: Quote ID used to create this order. fiatAmount: type: number format: double description: Fiat amount for the order. fiatAmountInUsd: type: number format: double description: Fiat amount converted to USD. amountPaid: type: number format: double description: Amount already paid by the user. cryptoAmount: type: number format: double description: Crypto amount the user will receive. conversionPrice: type: number format: double description: Fiat-to-crypto conversion rate. totalFeeInFiat: type: number format: double description: Total fee charged in fiat currency. txHash: type: string description: >- Blockchain transaction hash. Empty until the transaction is confirmed on-chain. walletLink: type: string description: Block explorer link for the wallet address. transactionLink: type: string description: Block explorer link for the transaction. addressAdditionalData: $ref: >- #/components/schemas/headlessGooglePay:OrderCreatedResponseDataAddressAdditionalData required: - orderId - status - isBuyOrSell - fiatCurrency - cryptoCurrency - paymentMethod - network - fiatAmount - fiatAmountInUsd - cryptoAmount description: >- Order details returned after processing the Google Pay transaction session. title: OrderCreatedResponseData headlessGooglePay:OrderCreatedResponse: type: object properties: data: $ref: '#/components/schemas/headlessGooglePay:OrderCreatedResponseData' description: >- Order details returned after processing the Google Pay transaction session. required: - data description: Order created successfully. title: OrderCreatedResponse headlessCards:ApiErrorBodyError: type: object properties: statusCode: type: integer message: type: string errorCode: type: integer description: Machine-readable error code for client handling. required: - statusCode - message title: ApiErrorBodyError headlessCards:ApiErrorBody: type: object properties: error: $ref: '#/components/schemas/headlessCards:ApiErrorBodyError' required: - error title: ApiErrorBody ``` ## Examples **Response** ```json { "data": { "orderId": "86be4fec-aaff-4734-a8d5-ef757b04a75a", "status": "AWAITING_PAYMENT_FROM_USER", "isBuyOrSell": "BUY", "fiatCurrency": "EUR", "cryptoCurrency": "ETH", "paymentMethod": "google_pay", "network": "ethereum", "fiatAmount": 50, "fiatAmountInUsd": 57.33, "cryptoAmount": 0.02976623, "paymentDetails": [ { "fiatCurrency": "EUR", "fields": "[]", "name": "Google Pay", "paymentMethod": "google_pay", "redirectUrl": "https://authentication-devices.sandbox.checkout.com/sessions-interceptor/sid_tsf3rqybr7eyforc7ke3jsbcrm" } ], "partnerUserId": "c80b828d-732d-4117-8394-2f824cd00095", "networkId": "", "walletAddress": "0xc850e65151fA2f50636618d4688CF1A011AC04bF", "quoteId": "59000ed7-0167-431b-9294-16221a675605", "amountPaid": 0, "conversionPrice": 0.0006233766403249686, "totalFeeInFiat": 2.25, "txHash": "", "walletLink": "https://sepolia.etherscan.io/address/0xc850e65151fA2f50636618d4688CF1A011AC04bF", "transactionLink": "", "addressAdditionalData": { "name": "", "displayName": "", "value": "", "requestId": "b1f1c8c5-4c11-45e4-a1a0-e991303822df" } } } ``` **SDK Code** ```python Success import requests url = "https://api-gateway-stg.transak.com/api/v2/transaction-session/request/:requestId/process" headers = { "x-user-ip": "", "x-api-key": "" } response = requests.post(url, headers=headers) print(response.json()) ``` ```javascript Success const url = 'https://api-gateway-stg.transak.com/api/v2/transaction-session/request/:requestId/process'; const options = {method: 'POST', headers: {'x-user-ip': '', 'x-api-key': ''}}; try { const response = await fetch(url, options); const data = await response.json(); console.log(data); } catch (error) { console.error(error); } ``` ```go Success package main import ( "fmt" "net/http" "io" ) func main() { url := "https://api-gateway-stg.transak.com/api/v2/transaction-session/request/:requestId/process" req, _ := http.NewRequest("POST", url, nil) req.Header.Add("x-user-ip", "") req.Header.Add("x-api-key", "") res, _ := http.DefaultClient.Do(req) defer res.Body.Close() body, _ := io.ReadAll(res.Body) fmt.Println(res) fmt.Println(string(body)) } ``` ```ruby Success require 'uri' require 'net/http' url = URI("https://api-gateway-stg.transak.com/api/v2/transaction-session/request/:requestId/process") http = Net::HTTP.new(url.host, url.port) http.use_ssl = true request = Net::HTTP::Post.new(url) request["x-user-ip"] = '' request["x-api-key"] = '' response = http.request(request) puts response.read_body ``` ```java Success import com.mashape.unirest.http.HttpResponse; import com.mashape.unirest.http.Unirest; HttpResponse response = Unirest.post("https://api-gateway-stg.transak.com/api/v2/transaction-session/request/:requestId/process") .header("x-user-ip", "") .header("x-api-key", "") .asString(); ``` ```php Success request('POST', 'https://api-gateway-stg.transak.com/api/v2/transaction-session/request/:requestId/process', [ 'headers' => [ 'x-api-key' => '', 'x-user-ip' => '', ], ]); echo $response->getBody(); ``` ```csharp Success using RestSharp; var client = new RestClient("https://api-gateway-stg.transak.com/api/v2/transaction-session/request/:requestId/process"); var request = new RestRequest(Method.POST); request.AddHeader("x-user-ip", ""); request.AddHeader("x-api-key", ""); IRestResponse response = client.Execute(request); ``` ```swift Success import Foundation let headers = [ "x-user-ip": "", "x-api-key": "" ] let request = NSMutableURLRequest(url: NSURL(string: "https://api-gateway-stg.transak.com/api/v2/transaction-session/request/:requestId/process")! as URL, cachePolicy: .useProtocolCachePolicy, timeoutInterval: 10.0) request.httpMethod = "POST" request.allHTTPHeaderFields = headers let session = URLSession.shared let dataTask = session.dataTask(with: request as URLRequest, completionHandler: { (data, response, error) -> Void in if (error != nil) { print(error as Any) } else { let httpResponse = response as? HTTPURLResponse print(httpResponse) } }) dataTask.resume() ```