Question 1

Which is better, Account and Transaction API Specification - UK or Tongliande Data (通联数据)?

Accepted Answer

If you need a Finance API that's easy to integrate, go with Tongliande Data (通联数据). Account and Transaction API Specification - UK uses apiKey while Tongliande Data (通联数据) uses no authentication.

Question 2

What is the main difference between Account and Transaction API Specification - UK and Tongliande Data (通联数据)?

Accepted Answer

Account and Transaction API Specification - UK: ## Functionality at a glance

The NBG "UK OPB - Account and Transaction v3.1.5" API follows the [UK Open Banking Specification
    v3.1.5](https://openbankinguk.github.io/read-write-api-site3/v3.... Tongliande Data (通联数据): Chinese financial data API — stock market, fund, macro-economic data with free trial. They differ in authentication (apiKey vs no authentication), HTTPS support (yes vs yes), and CORS (unknown vs unknown).

Question 3

Which Finance API is easier to integrate?

Accepted Answer

Tongliande Data (通联数据) is easier to integrate because it requires no authentication.

Feature	Account and Transaction API Specification - UK	Tongliande Data (通联数据)
Authentication	apiKey	None
HTTPS	Yes	Yes
CORS	Unknown	Unknown

Account and Transaction API Specification - UK vs Tongliande Data (通联数据)

Account and Transaction API Specification - UK

Tongliande Data (通联数据)

When to use which?