Accounting API

codat · Finance

Finance No Auth Free & Open financial

A flexible API for pulling accounting data, normalized and aggregated from 20 accounting integrations. Standardize how you connect to your customers’ accounting software. View, create, update, and delete data in the same way for all the leading accounting platforms. [Read more...](https://docs.codat.io/accounting-api/overview) [See our OpenAPI spec](https://github.com/codatio/oas)

Authentication

No authentication requiredFree to use with no key needed.

Sample Requests

GET List accounts

Gets the latest accounts for a company

https://api.apis.guru/v2/specs/codat.io/accounting/2.1.0/companies/{companyId}/data/accounts?page=1&query=test&orderBy=date&pageSize=100

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/codat.io/accounting/2.1.0/companies/{companyId}/data/accounts?page=1&query=test&orderBy=date&pageSize=100"

import requests
params = {
    "page": "1",
    "query": "test",
    "orderBy": "date",
    "pageSize": "100"
}
response = requests.get(
    "https://api.apis.guru/v2/specs/codat.io/accounting/2.1.0/companies/{companyId}/data/accounts",
    params=params,
)
print(response.json())

const url = new URL('https://api.apis.guru/v2/specs/codat.io/accounting/2.1.0/companies/{companyId}/data/accounts');
url.searchParams.set('page', '1');
url.searchParams.set('query', 'test');
url.searchParams.set('orderBy', 'date');
url.searchParams.set('pageSize', '100');

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

package main

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

func main() {
	baseURL, _ := url.Parse("https://api.apis.guru/v2/specs/codat.io/accounting/2.1.0/companies/{companyId}/data/accounts")
	q := baseURL.Query()
	q.Set("page", "1")
	q.Set("query", "test")
	q.Set("orderBy", "date")
	q.Set("pageSize", "100")
	baseURL.RawQuery = q.Encode()
	targetURL := baseURL.String()
	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/accounting/2.1.0/companies/{companyId}/data/accounts")
uri.query = URI.encode_www_form({
  "page" => "1",
  "query" => "test",
  "orderBy" => "date",
  "pageSize" => "100"
})

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/accounting/2.1.0/companies/{companyId}/data/accounts?" . http_build_query([
    "page" => "1",
    "query" => "test",
    "orderBy" => "date",
    "pageSize" => "100"
]);
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

GET List bill credit notes

Gets a list of all bill credit notes for a company, with pagination

https://api.apis.guru/v2/specs/codat.io/accounting/2.1.0/companies/{companyId}/data/billCreditNotes?page=1&query=test&orderBy=date&pageSize=100

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/codat.io/accounting/2.1.0/companies/{companyId}/data/billCreditNotes?page=1&query=test&orderBy=date&pageSize=100"

import requests
params = {
    "page": "1",
    "query": "test",
    "orderBy": "date",
    "pageSize": "100"
}
response = requests.get(
    "https://api.apis.guru/v2/specs/codat.io/accounting/2.1.0/companies/{companyId}/data/billCreditNotes",
    params=params,
)
print(response.json())

const url = new URL('https://api.apis.guru/v2/specs/codat.io/accounting/2.1.0/companies/{companyId}/data/billCreditNotes');
url.searchParams.set('page', '1');
url.searchParams.set('query', 'test');
url.searchParams.set('orderBy', 'date');
url.searchParams.set('pageSize', '100');

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

package main

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

func main() {
	baseURL, _ := url.Parse("https://api.apis.guru/v2/specs/codat.io/accounting/2.1.0/companies/{companyId}/data/billCreditNotes")
	q := baseURL.Query()
	q.Set("page", "1")
	q.Set("query", "test")
	q.Set("orderBy", "date")
	q.Set("pageSize", "100")
	baseURL.RawQuery = q.Encode()
	targetURL := baseURL.String()
	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/accounting/2.1.0/companies/{companyId}/data/billCreditNotes")
uri.query = URI.encode_www_form({
  "page" => "1",
  "query" => "test",
  "orderBy" => "date",
  "pageSize" => "100"
})

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/accounting/2.1.0/companies/{companyId}/data/billCreditNotes?" . http_build_query([
    "page" => "1",
    "query" => "test",
    "orderBy" => "date",
    "pageSize" => "100"
]);
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

GET List bill payments

Gets the latest billPayments for a company, with pagination

https://api.apis.guru/v2/specs/codat.io/accounting/2.1.0/companies/{companyId}/data/billPayments?page=1&query=test&orderBy=date&pageSize=100

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/codat.io/accounting/2.1.0/companies/{companyId}/data/billPayments?page=1&query=test&orderBy=date&pageSize=100"

import requests
params = {
    "page": "1",
    "query": "test",
    "orderBy": "date",
    "pageSize": "100"
}
response = requests.get(
    "https://api.apis.guru/v2/specs/codat.io/accounting/2.1.0/companies/{companyId}/data/billPayments",
    params=params,
)
print(response.json())

const url = new URL('https://api.apis.guru/v2/specs/codat.io/accounting/2.1.0/companies/{companyId}/data/billPayments');
url.searchParams.set('page', '1');
url.searchParams.set('query', 'test');
url.searchParams.set('orderBy', 'date');
url.searchParams.set('pageSize', '100');

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

package main

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

func main() {
	baseURL, _ := url.Parse("https://api.apis.guru/v2/specs/codat.io/accounting/2.1.0/companies/{companyId}/data/billPayments")
	q := baseURL.Query()
	q.Set("page", "1")
	q.Set("query", "test")
	q.Set("orderBy", "date")
	q.Set("pageSize", "100")
	baseURL.RawQuery = q.Encode()
	targetURL := baseURL.String()
	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/accounting/2.1.0/companies/{companyId}/data/billPayments")
uri.query = URI.encode_www_form({
  "page" => "1",
  "query" => "test",
  "orderBy" => "date",
  "pageSize" => "100"
})

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/accounting/2.1.0/companies/{companyId}/data/billPayments?" . http_build_query([
    "page" => "1",
    "query" => "test",
    "orderBy" => "date",
    "pageSize" => "100"
]);
$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 Accounting API?

Accounting 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. Accounting 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 ↗