generated: '2026-07-23' method: searched source: https://develop.hsbc.com/knowledge-article/get-started-open-banking-apis note: >- first direct's Open Banking APIs are tested through the shared HSBC Developer Portal sandbox (develop.hsbc.com), which serves the HSBC UK, first direct and M&S Bank brands. The sandbox simulates production behaviour with test data and covers Account Information, Payment Initiation and Funds Confirmation. No real customer accounts are involved. portal: https://develop.hsbc.com/ onboarding: steps: - Register on the HSBC Developer Portal (develop.hsbc.com). - Create a project in the Dev Hub to obtain encryption/signing keys for the sandbox. - Download the provided Postman collection + environment file with pre-populated sandbox credentials. note: All registered users automatically get access to the Open Banking APIs. environments: sandbox: purpose: Test API integrations safely with simulated data (no real accounts). covers: [Account Information (AIS), Payment Initiation (PIS), Funds Confirmation (CBPII)] credentials: Pre-populated in the downloadable Postman environment; encryption keys generated per Dev Hub project. production: note: Requires FCA authorisation (TPP), OBIE/eIDAS transport & signing certificates, and directory registration; certificate-bound base URL not publicly listed. tooling: postman: available: true delivery: Downloadable collection + environment from the Dev Hub sandbox project. test_values: note: HSBC does not publish fixed magic test identifiers in public docs; sandbox test data is provisioned per project inside the Dev Hub and shipped in the Postman environment. No verbatim test values are reproduced here to avoid fabrication.