Question 1

Which is better, Airport Nearest Relevant or Subscriptions API (v3)?

Accepted Answer

Both are solid Cryptocurrency APIs. Choose based on your specific requirements. Airport Nearest Relevant uses apiKey while Subscriptions API (v3) uses apiKey.

Question 2

What is the main difference between Airport Nearest Relevant and Subscriptions API (v3)?

Accepted Answer

Airport Nearest Relevant: 
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.... Subscriptions API (v3): 
A **Subscription** is a list of items (SKUs) tied to certain recurring purchase settings:

- User profile
- Address
- Payment method
- Frequency
- Cycle

Once you have [configured subscri.... 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. Airport Nearest Relevant uses apiKey and Subscriptions API (v3) uses apiKey.

Airport Nearest Relevant vs Subscriptions API (v3)

Airport Nearest Relevant

Subscriptions API (v3)

When to use which?