Create Supplier

Creates a new supplier for the authenticated company.

Rules:

The name field is required and must not be empty.
Two suppliers with the same name cannot exist for the same company.

Once created, use the returned supplier ID to classify expenses when recording transactions.

curl -X POST "https://api-sandbox.contasimples.com/suppliers/v1/suppliers" \
  -H "Content-Type: application/json" \
  -H "Signature-Input: example_string" \
  -H "Signature: example_string" \
  -H "Content-Digest: example_string" \
  -H "Authorization: Bearer YOUR_API_TOKEN" \
  -d '{
  "name": "Example Supplier LLC"
}'

import requests
import json

url = "https://api-sandbox.contasimples.com/suppliers/v1/suppliers"
headers = {
  "Content-Type": "application/json",
  "Signature-Input": "example_string",
  "Signature": "example_string",
  "Content-Digest": "example_string",
  "Authorization": "Bearer YOUR_API_TOKEN"
}
data = {
  "name": "Example Supplier LLC"
}

response = requests.post(url, headers=headers, json=data)
print(response.json())

const response = await fetch("https://api-sandbox.contasimples.com/suppliers/v1/suppliers", {
  method: "POST",
  headers: {
  "Content-Type": "application/json",
  "Signature-Input": "example_string",
  "Signature": "example_string",
  "Content-Digest": "example_string",
  "Authorization": "Bearer YOUR_API_TOKEN"
},
  body: JSON.stringify({
  "name": "Example Supplier LLC"
})
});

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

package main

import (
    "fmt"
    "net/http"
    "bytes"
    "encoding/json"
)

func main() {
    data := []byte(`{
  "name": "Example Supplier LLC"
}`)

    req, err := http.NewRequest("POST", "https://api-sandbox.contasimples.com/suppliers/v1/suppliers", bytes.NewBuffer(data))
    if err != nil {
        panic(err)
    }

    req.Header.Set("Content-Type", "application/json")
    req.Header.Set("Signature-Input", "example_string")
    req.Header.Set("Signature", "example_string")
    req.Header.Set("Content-Digest", "example_string")
    req.Header.Set("Authorization", "Bearer YOUR_API_TOKEN")

    client := &http.Client{}
    resp, err := client.Do(req)
    if err != nil {
        panic(err)
    }
    defer resp.Body.Close()

    fmt.Println("Response Status:", resp.Status)
}

require 'net/http'
require 'json'

uri = URI('https://api-sandbox.contasimples.com/suppliers/v1/suppliers')
http = Net::HTTP.new(uri.host, uri.port)
http.use_ssl = true

request = Net::HTTP::Post.new(uri)
request['Content-Type'] = 'application/json'
request['Signature-Input'] = 'example_string'
request['Signature'] = 'example_string'
request['Content-Digest'] = 'example_string'
request['Authorization'] = 'Bearer YOUR_API_TOKEN'
request.body = '{
  "name": "Example Supplier LLC"
}'

response = http.request(request)
puts response.body

{
  "id": 16,
  "name": "Example Supplier LLC",
  "type": {
    "id": 1,
    "type": "CUSTOM"
  }
}

{
  "error": "Bad Request",
  "message": "One or more request parameters are invalid.",
  "code": 400,
  "requestId": "123e4567-e89b-12d3-a456-426614174000",
  "details": [
    "The example field must have a value between 5 and 100.",
    "Dates must be in YYYY-MM-DD format."
  ]
}

POST

/suppliers/v1/suppliers

POST

Base URLstring

Target server for requests. Edit to use your own host.

Bearer Token

Bearer Tokenstring

Required

Bearer token from OAuth 2.0 client credentials. Format: Bearer TOKEN

Content-Typestring

Required

The media type of the request body

Options: application/json

header

Signature-Inputstring

What was signed and the signature parameters, in the RFC 9421 format. A credential with a public key must send it on every call, reads included, or the request is refused with 401. The signature covers the @method, @path, and @query components, and also content-digest when there is a body. created and alg are required, and created is valid for 300 seconds. The full format, with examples, is in Request Signing.

header

Signaturestring

The signature of the base defined by RFC 9421, in base64, between : and under the same label used in Signature-Input, for example sig=:SGVsbG8gd29ybGQ=:. It always goes together with Signature-Input.

header

Content-Digeststring

Hash of the request body in the RFC 9530 format, with sha-256 or sha-512, for example sha-256=:X48E9qOokqqrvdts8nOJRJN3OWDUoyWxBf7kbu9DBPE=:. It is required when the request has a body and the credential has a public key, and in that case Signature-Input must include the content-digest component.