Question 1

Which is better, Airline Code Lookup API or CRM API?

Accepted Answer

Both are solid Cryptocurrency APIs. Choose based on your specific requirements. Airline Code Lookup API uses apiKey while CRM API uses apiKey.

Question 2

What is the main difference between Airline Code Lookup API and CRM API?

Accepted Answer

Airline Code Lookup API: 
Before using this API, we recommend you read our **[Authorization Guide](https://developers.amadeus.com/self-service/apis-docs/guides/authorization-262)** for more information on how to generate a.... CRM API: Welcome to the CRM API.

You can use this API to access all CRM API endpoints.

## Base URL

The base URL for all API requests is `https://unify.apideck.com`

We also provide a [Mock API](https://d.... They differ in authentication (apiKey vs apiKey), HTTPS support (yes vs yes), and CORS (unknown vs unknown).

Question 3

Which Cryptocurrency API is easier to integrate?

Accepted Answer

Both have similar integration complexity. Airline Code Lookup API uses apiKey and CRM API uses apiKey.

Airline Code Lookup API vs CRM API

Airline Code Lookup API

CRM API

When to use which?