OAuth
Exchange authorization code for API key
Exchange an OAuth authorization code for a DualEntry API key.
POST
/
public
/
v2
/
oauth
/
token
/
Exchange authorization code for API key
curl --request POST \
--url https://api.dualentry.com/public/v2/oauth/token/ \
--header 'Content-Type: application/json' \
--header 'X-API-KEY: <api-key>' \
--data '
{
"grant_type": "authorization_code",
"code": "<string>",
"code_verifier": "<string>",
"redirect_uri": "<string>"
}
'import requests
url = "https://api.dualentry.com/public/v2/oauth/token/"
payload = {
"grant_type": "authorization_code",
"code": "<string>",
"code_verifier": "<string>",
"redirect_uri": "<string>"
}
headers = {
"X-API-KEY": "<api-key>",
"Content-Type": "application/json"
}
response = requests.post(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'POST',
headers: {'X-API-KEY': '<api-key>', 'Content-Type': 'application/json'},
body: JSON.stringify({
grant_type: 'authorization_code',
code: '<string>',
code_verifier: '<string>',
redirect_uri: '<string>'
})
};
fetch('https://api.dualentry.com/public/v2/oauth/token/', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));<?php
$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_URL => "https://api.dualentry.com/public/v2/oauth/token/",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "POST",
CURLOPT_POSTFIELDS => json_encode([
'grant_type' => 'authorization_code',
'code' => '<string>',
'code_verifier' => '<string>',
'redirect_uri' => '<string>'
]),
CURLOPT_HTTPHEADER => [
"Content-Type: application/json",
"X-API-KEY: <api-key>"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}package main
import (
"fmt"
"strings"
"net/http"
"io"
)
func main() {
url := "https://api.dualentry.com/public/v2/oauth/token/"
payload := strings.NewReader("{\n \"grant_type\": \"authorization_code\",\n \"code\": \"<string>\",\n \"code_verifier\": \"<string>\",\n \"redirect_uri\": \"<string>\"\n}")
req, _ := http.NewRequest("POST", url, payload)
req.Header.Add("X-API-KEY", "<api-key>")
req.Header.Add("Content-Type", "application/json")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}HttpResponse<String> response = Unirest.post("https://api.dualentry.com/public/v2/oauth/token/")
.header("X-API-KEY", "<api-key>")
.header("Content-Type", "application/json")
.body("{\n \"grant_type\": \"authorization_code\",\n \"code\": \"<string>\",\n \"code_verifier\": \"<string>\",\n \"redirect_uri\": \"<string>\"\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.dualentry.com/public/v2/oauth/token/")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["X-API-KEY"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n \"grant_type\": \"authorization_code\",\n \"code\": \"<string>\",\n \"code_verifier\": \"<string>\",\n \"redirect_uri\": \"<string>\"\n}"
response = http.request(request)
puts response.read_body{
"api_key": "<string>",
"organization_id": 123,
"user_email": "<string>"
}{
"error": "<string>"
}Last modified on July 13, 2026
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Exchange authorization code for API key
curl --request POST \
--url https://api.dualentry.com/public/v2/oauth/token/ \
--header 'Content-Type: application/json' \
--header 'X-API-KEY: <api-key>' \
--data '
{
"grant_type": "authorization_code",
"code": "<string>",
"code_verifier": "<string>",
"redirect_uri": "<string>"
}
'import requests
url = "https://api.dualentry.com/public/v2/oauth/token/"
payload = {
"grant_type": "authorization_code",
"code": "<string>",
"code_verifier": "<string>",
"redirect_uri": "<string>"
}
headers = {
"X-API-KEY": "<api-key>",
"Content-Type": "application/json"
}
response = requests.post(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'POST',
headers: {'X-API-KEY': '<api-key>', 'Content-Type': 'application/json'},
body: JSON.stringify({
grant_type: 'authorization_code',
code: '<string>',
code_verifier: '<string>',
redirect_uri: '<string>'
})
};
fetch('https://api.dualentry.com/public/v2/oauth/token/', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));<?php
$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_URL => "https://api.dualentry.com/public/v2/oauth/token/",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "POST",
CURLOPT_POSTFIELDS => json_encode([
'grant_type' => 'authorization_code',
'code' => '<string>',
'code_verifier' => '<string>',
'redirect_uri' => '<string>'
]),
CURLOPT_HTTPHEADER => [
"Content-Type: application/json",
"X-API-KEY: <api-key>"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}package main
import (
"fmt"
"strings"
"net/http"
"io"
)
func main() {
url := "https://api.dualentry.com/public/v2/oauth/token/"
payload := strings.NewReader("{\n \"grant_type\": \"authorization_code\",\n \"code\": \"<string>\",\n \"code_verifier\": \"<string>\",\n \"redirect_uri\": \"<string>\"\n}")
req, _ := http.NewRequest("POST", url, payload)
req.Header.Add("X-API-KEY", "<api-key>")
req.Header.Add("Content-Type", "application/json")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}HttpResponse<String> response = Unirest.post("https://api.dualentry.com/public/v2/oauth/token/")
.header("X-API-KEY", "<api-key>")
.header("Content-Type", "application/json")
.body("{\n \"grant_type\": \"authorization_code\",\n \"code\": \"<string>\",\n \"code_verifier\": \"<string>\",\n \"redirect_uri\": \"<string>\"\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.dualentry.com/public/v2/oauth/token/")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["X-API-KEY"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n \"grant_type\": \"authorization_code\",\n \"code\": \"<string>\",\n \"code_verifier\": \"<string>\",\n \"redirect_uri\": \"<string>\"\n}"
response = http.request(request)
puts response.read_body{
"api_key": "<string>",
"organization_id": 123,
"user_email": "<string>"
}{
"error": "<string>"
}