Codat Expense API

codat · Finance

Finance No Auth Free & Open financial

The API for Sync for Expenses. Sync for Expenses is an API and a set of supporting tools. It has been built to enable corporate card and expense management platforms to provide high-quality integrations with multiple accounting platforms through a standardized API. [Read more...](https://docs.codat.io/sync-for-expenses/overview) [See our OpenAPI spec](https://github.com/codatio/oas)

Authentication

No authentication requiredFree to use with no key needed.

Sample Requests

GET Get company configuration

Gets a companies expense sync configuration

https://api.apis.guru/v2/specs/codat.io/sync-for-expenses/prealpha/companies/{companyId}/sync/expenses/config

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/codat.io/sync-for-expenses/prealpha/companies/{companyId}/sync/expenses/config"

import requests
response = requests.get(
    "https://api.apis.guru/v2/specs/codat.io/sync-for-expenses/prealpha/companies/{companyId}/sync/expenses/config",
)
print(response.json())

const url = 'https://api.apis.guru/v2/specs/codat.io/sync-for-expenses/prealpha/companies/{companyId}/sync/expenses/config';

const response = await fetch(url); 
const data = await response.json();
console.log(data);

package main

import (
	"fmt"
	"io"
	"net/http"
)

func main() {
	targetURL := "https://api.apis.guru/v2/specs/codat.io/sync-for-expenses/prealpha/companies/{companyId}/sync/expenses/config"
	req, _ := http.NewRequest("GET", targetURL, nil)

	client := &http.Client{}
	resp, _ := client.Do(req)
	defer resp.Body.Close()
	body, _ := io.ReadAll(resp.Body)
	fmt.Println(string(body))
}

require "net/http"
require "json"

uri = URI("https://api.apis.guru/v2/specs/codat.io/sync-for-expenses/prealpha/companies/{companyId}/sync/expenses/config")

http = Net::HTTP.new(uri.host, uri.port)
http.use_ssl = uri.scheme == "https"

req = Net::HTTP::Get.new(uri)

res = http.request(req)
puts JSON.parse(res.body)

<?php
$url = "https://api.apis.guru/v2/specs/codat.io/sync-for-expenses/prealpha/companies/{companyId}/sync/expenses/config";
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

GET Mapping options

Gets the expense mapping options for a companies accounting software

https://api.apis.guru/v2/specs/codat.io/sync-for-expenses/prealpha/companies/{companyId}/sync/expenses/mappingOptions

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/codat.io/sync-for-expenses/prealpha/companies/{companyId}/sync/expenses/mappingOptions"

import requests
response = requests.get(
    "https://api.apis.guru/v2/specs/codat.io/sync-for-expenses/prealpha/companies/{companyId}/sync/expenses/mappingOptions",
)
print(response.json())

const url = 'https://api.apis.guru/v2/specs/codat.io/sync-for-expenses/prealpha/companies/{companyId}/sync/expenses/mappingOptions';

const response = await fetch(url); 
const data = await response.json();
console.log(data);

package main

import (
	"fmt"
	"io"
	"net/http"
)

func main() {
	targetURL := "https://api.apis.guru/v2/specs/codat.io/sync-for-expenses/prealpha/companies/{companyId}/sync/expenses/mappingOptions"
	req, _ := http.NewRequest("GET", targetURL, nil)

	client := &http.Client{}
	resp, _ := client.Do(req)
	defer resp.Body.Close()
	body, _ := io.ReadAll(resp.Body)
	fmt.Println(string(body))
}

require "net/http"
require "json"

uri = URI("https://api.apis.guru/v2/specs/codat.io/sync-for-expenses/prealpha/companies/{companyId}/sync/expenses/mappingOptions")

http = Net::HTTP.new(uri.host, uri.port)
http.use_ssl = uri.scheme == "https"

req = Net::HTTP::Get.new(uri)

res = http.request(req)
puts JSON.parse(res.body)

<?php
$url = "https://api.apis.guru/v2/specs/codat.io/sync-for-expenses/prealpha/companies/{companyId}/sync/expenses/mappingOptions";
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

GET Last successful sync

Gets the status of the last successfull sync

https://api.apis.guru/v2/specs/codat.io/sync-for-expenses/prealpha/companies/{companyId}/sync/expenses/syncs/lastSuccessful/status

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/codat.io/sync-for-expenses/prealpha/companies/{companyId}/sync/expenses/syncs/lastSuccessful/status"

import requests
response = requests.get(
    "https://api.apis.guru/v2/specs/codat.io/sync-for-expenses/prealpha/companies/{companyId}/sync/expenses/syncs/lastSuccessful/status",
)
print(response.json())

const url = 'https://api.apis.guru/v2/specs/codat.io/sync-for-expenses/prealpha/companies/{companyId}/sync/expenses/syncs/lastSuccessful/status';

const response = await fetch(url); 
const data = await response.json();
console.log(data);

package main

import (
	"fmt"
	"io"
	"net/http"
)

func main() {
	targetURL := "https://api.apis.guru/v2/specs/codat.io/sync-for-expenses/prealpha/companies/{companyId}/sync/expenses/syncs/lastSuccessful/status"
	req, _ := http.NewRequest("GET", targetURL, nil)

	client := &http.Client{}
	resp, _ := client.Do(req)
	defer resp.Body.Close()
	body, _ := io.ReadAll(resp.Body)
	fmt.Println(string(body))
}

require "net/http"
require "json"

uri = URI("https://api.apis.guru/v2/specs/codat.io/sync-for-expenses/prealpha/companies/{companyId}/sync/expenses/syncs/lastSuccessful/status")

http = Net::HTTP.new(uri.host, uri.port)
http.use_ssl = uri.scheme == "https"

req = Net::HTTP::Get.new(uri)

res = http.request(req)
puts JSON.parse(res.body)

<?php
$url = "https://api.apis.guru/v2/specs/codat.io/sync-for-expenses/prealpha/companies/{companyId}/sync/expenses/syncs/lastSuccessful/status";
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

Postman Setup Guide

Get Postman ↗

See official documentation for authentication and setup.

What can you build with Codat Expense API?

Codat Expense API is a Finance API. Developers commonly use finance APIs for:

processing payments and handling transactions
building subscription and billing systems
automating invoicing and financial reporting
fraud detection and risk scoring
connecting to banking and accounting software

No authentication required. This API is open — no signup or key needed. Ideal for quick prototypes and public-facing features. Codat Expense API is free to use, making it a low-risk choice to experiment with.

New to APIs? Read our beginner's guide · Learn about API keys · What is REST?

Open documentation ↗