Santander US

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.

Santander US is profiled on the APIs.io network. Tagged areas include Financial-Services, Banking, United States, Super-Regional Bank, and Retail Banking.

Santander US’s developer surface includes support and 5 more developer resources.

🌐 Visit website 📡 Source on GitHub

8.2/100 minimal ▬ flat Agent 0/100 human only saas Full breakdown ↓
scored 2026-09-08 · rubric v0.20.0

0 APIs

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

Kin Score

Kin Score How this is scored →
scored 2026-09-08 · rubric v0.20.0

Composite quality — 8.2/100 · minimal

Contract Quality 0.0 / 21

Developer Ergonomics 0.8 / 17

Access Clarity 3.6 / 17

Operational Transparency 0.0 / 11

Contract Governance 0.0 / 10

Discoverability 4.3 / 9

Regulatory Posture 2.7 / 15

Agent readiness — 0/100 · human only

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 10

Documented Reversibility 0 / 6

MCP Server 0 / 12

Machine-Readable Auth 0 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 0 / 7

Typed Event Surface 0 / 6

Agent Skills 0 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 0 / 4

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Well-Known Document 0 / 5

Regulatory Posture applies to this provider. Its tags matched the Banking & Open Finance regime, so Regulatory Posture carries 15 points of the composite. If this regime is wrong for your business, say so on your provider repo — the applicability map is public and we will correct it.

Create-or-Update Ergonomics could not be measured. We hold no machine-readable contract for this provider to read, so there is nothing to measure a write surface against. Excluded rather than scored zero: never-measured and measured-empty are different facts. Publishing an OpenAPI is what makes this facet — and several others — scorable at all.

The six quality facets above are damped to 85 points between them, because the conditional facet above carries the other 15. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 85% of its nominal weight, not 100%. The full arithmetic is at apis.io/rating/.

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. Every facet and dimension name above is a link: it opens that measurement's own page — what it means, the exact checks that feed it, how the whole catalog distributes on it, and the providers at the top of it. This rating is computed from github.com/api-evangelist/santander-us: open an issue to ask a question, or submit a pull request to add artifacts. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

Security Posture 1

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Santander Us Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Resources

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Operate 1

Status, limits, changes, and where to get help

Support

Support

Commercial 2

Pricing, plans, and the legal terms of use

PrivacyPolicy

PrivacyPolicy

TermsOfService

TermsOfService

Company 2

The organization behind the API

Website

Website

LinkedIn

Source (apis.yml)

aid: santander-us
url: https://raw.githubusercontent.com/api-evangelist/santander-us/refs/heads/main/apis.yml
name: Santander US
kind: company
description: '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.'
deliveryModel:
  model: saas
  open_source: false
  commercial: true
  callable_host: false
  label: Hosted service · you call their endpoint
  confidence: medium
  source:
  - pricing
  generated: '2026-08-28'
  method: derived
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source:
  - security
  generated: '2026-09-02'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
tags:
- Financial-Services
- Banking
- United States
- Super-Regional Bank
- Retail Banking
- Open Finance
- Data Aggregation
tags_raw:
- Financial Services
- Banking
- United States
- Super-Regional Bank
- Retail Banking
- Open Finance
- Data Aggregation
created: '2026-07-23'
modified: '2026-07-23'
specificationVersion: '0.23'
apis: []
common:
- type: DomainSecurity
  url: security/santander-us-domain-security.yml
- type: Website
  url: https://www.santanderbank.com
- type: LinkedIn
  url: https://www.linkedin.com/company/santander-bank-na
- type: PrivacyPolicy
  url: https://www.santanderbank.com/online-privacy-policy
- type: TermsOfService
  url: https://www.santanderbank.com/terms-and-conditions
- type: Support
  url: https://www.santanderbank.com/personal/security-center
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

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