Buy credits with the saved card or bank account

curl --request POST \
  --url https://api.fluid.app/api/settings/billing/credits/purchases \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "amount_cents": 100000,
  "expected_credit_cents": 110000,
  "purchase_key": "3f7a2c91-8e4d-4b6a-9c15-e2d8b0f47a36",
  "terms_version": "2026-09-26"
}
'

import requests

url = "https://api.fluid.app/api/settings/billing/credits/purchases"

payload = {
    "amount_cents": 100000,
    "expected_credit_cents": 110000,
    "purchase_key": "3f7a2c91-8e4d-4b6a-9c15-e2d8b0f47a36",
    "terms_version": "2026-09-26"
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    amount_cents: 100000,
    expected_credit_cents: 110000,
    purchase_key: '3f7a2c91-8e4d-4b6a-9c15-e2d8b0f47a36',
    terms_version: '2026-09-26'
  })
};

fetch('https://api.fluid.app/api/settings/billing/credits/purchases', 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.fluid.app/api/settings/billing/credits/purchases",
  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([
    'amount_cents' => 100000,
    'expected_credit_cents' => 110000,
    'purchase_key' => '3f7a2c91-8e4d-4b6a-9c15-e2d8b0f47a36',
    'terms_version' => '2026-09-26'
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($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.fluid.app/api/settings/billing/credits/purchases"

	payload := strings.NewReader("{\n  \"amount_cents\": 100000,\n  \"expected_credit_cents\": 110000,\n  \"purchase_key\": \"3f7a2c91-8e4d-4b6a-9c15-e2d8b0f47a36\",\n  \"terms_version\": \"2026-09-26\"\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Authorization", "Bearer <token>")
	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.fluid.app/api/settings/billing/credits/purchases")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"amount_cents\": 100000,\n  \"expected_credit_cents\": 110000,\n  \"purchase_key\": \"3f7a2c91-8e4d-4b6a-9c15-e2d8b0f47a36\",\n  \"terms_version\": \"2026-09-26\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.fluid.app/api/settings/billing/credits/purchases")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"amount_cents\": 100000,\n  \"expected_credit_cents\": 110000,\n  \"purchase_key\": \"3f7a2c91-8e4d-4b6a-9c15-e2d8b0f47a36\",\n  \"terms_version\": \"2026-09-26\"\n}"

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

{
  "credit_purchase": {
    "id": 7342,
    "origin": "manual",
    "status": "succeeded",
    "instrument_type": "card",
    "failure_message": null,
    "amount_cents": 100000,
    "bonus_percent": 10,
    "bonus_cents": 10000,
    "credit_cents": 110000,
    "refunded_cents": 0,
    "credits_expire_at": "2027-09-12T16:20:05Z",
    "created_at": "2026-09-12T16:19:58Z",
    "succeeded_at": "2026-09-12T16:20:05Z",
    "failed_at": null
  },
  "balance_cents": 185500,
  "duplicate": true,
  "status": 200,
  "meta": {
    "request_id": "f3b8c2d1-6a4e-4f7b-9c1d-2e5a8b7c4d90",
    "timestamp": "2026-09-30T14:05:11Z"
  }
}

{
  "credit_purchase": {
    "id": 7342,
    "origin": "manual",
    "status": "succeeded",
    "instrument_type": "card",
    "failure_message": null,
    "amount_cents": 100000,
    "bonus_percent": 10,
    "bonus_cents": 10000,
    "credit_cents": 110000,
    "refunded_cents": 0,
    "credits_expire_at": "2027-09-12T16:20:05Z",
    "created_at": "2026-09-12T16:19:58Z",
    "succeeded_at": "2026-09-12T16:20:05Z",
    "failed_at": null
  },
  "balance_cents": 185500,
  "duplicate": false,
  "status": 201,
  "meta": {
    "request_id": "f3b8c2d1-6a4e-4f7b-9c1d-2e5a8b7c4d90",
    "timestamp": "2026-09-30T14:05:11Z"
  }
}

{
  "message": "<string>",
  "error": "<string>",
  "error_message": "<string>",
  "errors": "<string>",
  "meta": {
    "request_id": "<string>",
    "timestamp": "2023-11-07T05:31:56Z"
  }
}

{
  "message": "<string>",
  "error": "<string>",
  "error_message": "<string>",
  "errors": "<string>",
  "meta": {
    "request_id": "<string>",
    "timestamp": "2023-11-07T05:31:56Z"
  }
}

{
  "message": "<string>",
  "error": "<string>",
  "error_message": "<string>",
  "errors": "<string>",
  "meta": {
    "request_id": "<string>",
    "timestamp": "2023-11-07T05:31:56Z"
  }
}

{
  "message": "<string>",
  "error": "<string>",
  "error_message": "<string>",
  "errors": "<string>",
  "meta": {
    "request_id": "<string>",
    "timestamp": "2023-11-07T05:31:56Z"
  }
}

{
  "message": "<string>",
  "error": "<string>",
  "error_message": "<string>",
  "errors": "<string>",
  "meta": {
    "request_id": "<string>",
    "timestamp": "2023-11-07T05:31:56Z"
  }
}