API Overview

The API spec, error codes, rate limits, and other must-know information.

The Basics

Endpointhttps://api.magicbell.com
Acceptapplication/json
Content-Typeapplication/json

API Spec

The MagicBell REST API is described in an OpenAPI 3.0 document, and there are a few ways to use it.

Client errors

The MagicBell REST API utilizes HTTP response codes to indicate the success or failure of an API request. A 2xx response code indicates success, and a 4xx response code means that the API request is incorrect (like when a required parameter is missing or a resource, like a user, could not be found). A 5xx response code indicates an error in MagicBell's servers. These are rare, and we always act quickly to solve them.

When the API responds with a 4xx response code, the response body includes an array that contains all the errors that have happened. For example:

json
{
  "errors": [
    {
      "code": "api_secret_not_provided",
      "message": "API Secret not provided"
    }
  ]
}

As shown above, some errors also have a code that briefly describes the error that has happened. These are the possible error codes:

  • api_key_not_provided
  • incorrect_api_key
  • api_secret_not_provided
  • api_secret_is_incorrect
  • forbidden
  • neither_user_hmac_nor_api_secret_provided
  • user_email_not_provided

You can handle these errors and take necessary action, like displaying an appropriate error message to the users or reporting the event to your error tracker. For example:

Node
const axios = require('axios');

const headers = {
  'X-MAGICBELL-API-SECRET': 'MAGICBELL_API_SECRET',
  'X-MAGICBELL-API-KEY': 'MAGICBELL_API_KEY',
};

const data = {
  notification: {
    title: "We're processing your order",
  },
};

axios.post('https://api.magicbell.com/notifications', data, headers).catch((error) => {
  const { response } = error;
  ErrorTracker.notify(response.data, response.status);
});

Rate limiting

The REST API imposes a limit of 100 requests/minute for most GET/OPTIONS/HEAD endpoints and 60 requests/minute for POST/PATCH/PUT/DELETE endpoints.

You will get an HTTP 429 Too Many Requests response if you send requests fasters than that, often accompanied by a helpful error message explaining the limit you have hit. Unless you are on an Enterprise plan, these limits are subject to change without announcement.

Please note that many of our endpoints support batching or bulk actions, which can reduce the number of requests you make. For example, POST/notifications supports multiple recipients in a single request.

Many of our API endpoints support bulk operations, and we recommend using them to reduce the number of requests you make.

Idempotent requests

The API supports idempotent requests to prevent the same operation from being performed twice for some endpoints. If you attempt an operation twice or more, we will process only the first attempt. For example, suppose a request to create a notification does not respond due to a network connection error. In that case, you can retry the request with the same idempotency key and it will create no additional notification.

To perform an idempotent request, you need to add an Idempotency-Key: <key> header on the request. An idempotency key is a unique value generated on your side, which the server uses to recognize subsequent retries of the same request. We suggest using V4 UUID to avoid collisions.

The resulting status code and body of the first request will be cached. Subsequent requests with the same idempotency key will return the same result. The cached results will expire after 24 hours.

curl https://api.magicbell.com/notifications \
  --request POST \
  --header 'X-MAGICBELL-API-KEY: MAGICBELL_API_KEY' \
  --header 'X-MAGICBELL-API-SECRET: MAGICBELL_API_SECRET' \
  --header 'IDEMPOTENCY-KEY: YOUR_IDEMPOTENCY_KEY' \
  --data '{
    "notification": {
        "title": "Task assigned to you: Upgrade to Startup plan",
        "content": "Hello, can you upgrade us to the Startup plan. Thank you.",
        "category": "billing",
        "action_url": "https://magicbell.com/pricing",
        "recipients": [
          { "email": "[email protected]" },
          { "email": "[email protected]" }
        ]
    }
  }'

Credit: https://stripe.com/docs/api/idempotent_requests

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