Welcome to the API Developer Portal

As a global provider of Financial Market Infrastructure (FMI) services, we help you to be more successful by making
it easier for you to settle domestic and cross-border securities transactions and safekeep your investments.

Sign up Explore APIs

€37.7 trillion assets

held in custody for our clients.

299 million netted transactions

per year worth €1,072 trillion.

1.7 million securities

held on our books.

About us

Our APIs

Feature 1

Echo API

A sample Echo Server based on the OpenAPI 3.0 specification.

Try it out

Feature 2

Swagger API

A sample Pet Store Server based on the OpenAPI 3.0 specification.

Try it out

Feature 3

S&P API

SNL Global Banking data delivers harmonized line items and key ratios.

Try it out

About GTS Communication and Integration Services

"Take your job seriously, but don't take yourself too seriously."
Michael Pilkington

Former head of Corporate Technology