Afterbanks API MCP Server Integration

The Afterbanks API, developed by the Spanish fintech company Afterbanks, serves as a unified gateway for real-time connectivity to a wide range of banking institutions, effectively standardizing the heterogeneous landscape of financial data access. As its foundational premise—"La estandarización de la conexión con cualquier banco en tiempo real"—suggests, the API abstracts away the complexities inherent in integrating with disparate banking systems, each with its own protocols, data formats, and communication standards. At its core, the API exposes three primary endpoints: GET /forms for retrieving bank selection interfaces and institution-specific input requirements, POST /me for establishing authenticated user sessions and retrieving account holder information, and POST /serviceV3 as the primary transactional engine for initiating data aggregation tasks such as balance queries, transaction history retrieval, and account statement downloads. This architecture positions Afterbanks as a critical middleware layer for financial technology companies, accounting platforms, personal finance management applications, credit assessment bureaus, and enterprise treasury systems that require consolidated, real-time access to banking data across multiple institutions within Spain and broader European markets. The API is particularly valuable for organizations seeking to offer account aggregation as a feature, automate bookkeeping by pulling transaction data directly from source banks, or build financial dashboards that present users with a holistic view of their banking relationships across multiple providers.