State Street API enables clients to rapidly build transformational solutions using modern technologies. Open standards reduce time to market and maximize developer productivity. Find below a selection of the key standards adopted across services in State Street API products.

OAuth 2.0 Client Credentials is an industry-standard protocol for authentication of client requests.

Industry-standard method for documenting APIs that facilitates discovery. All products published in the State Street API Catalog offer comprehensive OpenAPI specifications.

Industry-standard method for authenticating users of State Street Developer Portal. Access to specific APIs is managed seamlessly alongside other State Street platforms.  

All user access to State Street API products requires multifactor authentication.

State Street API products follow standard REST conventions that enable clients to implement efficient solutions across segments and all stages of the transaction lifecycle.

State Street API products leverage JSON as the default data format, offering broad support across platforms. All JSON data structures are documented via JSON Schema to facilitate validation and integration.

Structured data format with broad adoption in financial services, supporting rich schemas and rapid integration with existing solutions.