post__auth_google_exchange

POST /auth/google/exchange

Exchange Google Authorization Code

Exchange Google authorization code for access token.

This endpoint completes the OAuth flow by exchanging an authorization code for an access token. Use this when you have an authorization code from the Google OAuth consent screen.

OAuth Flow:

Redirect user to Google OAuth consent screen
User authorizes your application
Google returns authorization code
Call this endpoint with the code
Receive access token for use with /auth/google

TypeScript Client Library

private exchangeGoogleCode = async (code: string): Promise<OAuth2ResponseDTO> => {
  return this.makeRequest<OAuth2ResponseDTO>('auth/google/exchange', 'POST', { code });
};

Code Samples

# You can also use wget
curl -X POST https://backend.flashback.tech/auth/google/exchange \
  -H 'Content-Type: application/json' \
  -H 'Accept: application/json' \
  -H 'Authorization: Bearer {access-token}'

const inputBody = '{
  "code": "4/0AfJohXn..."
}';
const headers = {
  'Content-Type':'application/json',
  'Accept':'application/json',
  'Authorization':'Bearer {access-token}'
};

fetch('https://backend.flashback.tech/auth/google/exchange',
{
  method: 'POST',
  body: inputBody,
  headers: headers
})
.then(function(res) {
    return res.json();
}).then(function(body) {
    console.log(body);
});

require 'rest-client'
require 'json'

headers = {
  'Content-Type' => 'application/json',
  'Accept' => 'application/json',
  'Authorization' => 'Bearer {access-token}'
}

result = RestClient.post 'https://backend.flashback.tech/auth/google/exchange',
  params: {
  }, headers: headers

p JSON.parse(result)

import requests
headers = {
  'Content-Type': 'application/json',
  'Accept': 'application/json',
  'Authorization': 'Bearer {access-token}'
}

r = requests.post('https://backend.flashback.tech/auth/google/exchange', headers = headers)

print(r.json())

<?php

require 'vendor/autoload.php';

$headers = array(
    'Content-Type' => 'application/json',
    'Accept' => 'application/json',
    'Authorization' => 'Bearer {access-token}',
);

$client = new \GuzzleHttp\Client();

// Define array of request body.
$request_body = array();

try {
    $response = $client->request('POST','https://backend.flashback.tech/auth/google/exchange', array(
        'headers' => $headers,
        'json' => $request_body,
       )
    );
    print_r($response->getBody()->getContents());
 }
 catch (\GuzzleHttp\Exception\BadResponseException $e) {
    // handle exception or api errors.
    print_r($e->getMessage());
 }

 // ...

URL obj = new URL("https://backend.flashback.tech/auth/google/exchange");
HttpURLConnection con = (HttpURLConnection) obj.openConnection();
con.setRequestMethod("POST");
int responseCode = con.getResponseCode();
BufferedReader in = new BufferedReader(
    new InputStreamReader(con.getInputStream()));
String inputLine;
StringBuffer response = new StringBuffer();
while ((inputLine = in.readLine()) != null) {
    response.append(inputLine);
}
in.close();
System.out.println(response.toString());

package main

import (
       "bytes"
       "net/http"
)

func main() {

    headers := map[string][]string{
        "Content-Type": []string{"application/json"},
        "Accept": []string{"application/json"},
        "Authorization": []string{"Bearer {access-token}"},
    }

    data := bytes.NewBuffer([]byte{jsonReq})
    req, err := http.NewRequest("POST", "https://backend.flashback.tech/auth/google/exchange", data)
    req.Header = headers

    client := &http.Client{}
    resp, err := client.Do(req)
    // ...
}

Body parameter

{
  "code": "4/0AfJohXn..."
}

Parameters

Name

Type

Required

Description

body

object

true

none

» code

body

string

true

Google authorization code from OAuth consent screen

Example responses

200 Response

{
  "success": true,
  "token": "string",
  "refreshToken": "string",
  "expiresAt": 0
}

Responses

Status

Meaning

Description

Schema

200

Token exchange successful

Inline

Response Schema

Status Code 200

Name

Type

Required

Restrictions

Description

» success

boolean

false

none

» token

string

false

none

Google access token

» refreshToken

string

false

none

Google refresh token

» expiresAt

integer

false

none

Token expiration timestamp

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Last updated 6 months ago

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