# Santander US

**Canonical:** https://apis.io/providers/santander-us/  
**Website:** https://www.santanderbank.com  
**APIs profiled:** 0

Santander Bank, N.A. (santanderbank.com) is the US retail and commercial banking subsidiary of Spain's Banco Santander S.A., headquartered in Boston, Massachusetts. It is a nationally chartered bank (National Association, regulated by the OCC) operating a branch network across the Northeast US (Massachusetts, New Hampshire, Rhode Island, Connecticut, New York, New Jersey, Pennsylvania and Delaware), which positions it as a super-regional bank. Unlike UK and Australian institutions bound by mandated open-banking contracts, and unlike US banks such as Capital One or Chase that publish first-party developer portals, Santander Bank N.A. exposes no public, first-party developer API for its US retail franchise: developer.santanderbank.com does not resolve, and the site publishes no developers/API/open-banking pages. Consumer-permissioned data access in the US is available today through aggregators rather than a direct API — Plaid supports "Santander - Personal" (Assets, Auth, Balance and Transactions). Santander's UK developer portal (developer.santander.co.uk) and the group's Corporate & Investment Banking API marketplace (apimarket.santandercib.com) are operated by separate legal entities and are not the US retail bank's surface. This record is an honest identity profile of a super-regional bank whose US open-finance posture is aggregator-mediated, with no documented first-party developer program.

## Kin Score — 8.2 / 100 (minimal)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 8.2).

| Facet | Score |
|---|---|
| Discoverability | 50.0 |
| Contract Quality | 0.0 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 0.0 |
| Developer Ergonomics | 4.8 |
| Commercial Clarity | 21.1 |
| Access Clarity | 21.1 |

Regulatory layer — **Banking & Open Finance**: 17.7 (matched via tags).

## Agent readiness — 0.0 (human-only)

| Dimension | Value |
|---|---|
| Spec Presence | no |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | no |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | no |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |

## Security (1)

- **Santander Us Domain Security** — TLSv1.3 · HSTS · DMARC

## Tags

Financial-Services, Banking, United States, Super-Regional Bank, Retail Banking, Open Finance, Data Aggregation

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/santander-us/). Scores are computed from the provider's own public artifacts under a published rubric.