Flanks API
OAuth2-secured wealth-data API covering the Connect flow (connectors, sessions, SCA resolution), Credentials, Entities, Aggregation, and Letters, returning standardized portfolios, investments, accounts, liabilities, and cards from 700+ financial institutions.
Documentation
Authentication
https://raw.githubusercontent.com/api-evangelist/flanks/refs/heads/main/authentication/flanks-authentication.yml
Documentation
https://docs.flanks.io/
APIReference
https://docs.flanks.io/pages/flanks-apis/connect-api/v2/
GettingStarted
https://docs.flanks.io/pages/integration-example/