Golden 1 Credit Union website screenshot

Golden 1 Credit Union

Golden 1 Credit Union is a state-chartered, member-owned not-for-profit financial cooperative headquartered in Sacramento, California, and is one of the largest credit unions in the United States, serving roughly 1.1 million members across California with approximately 20 billion dollars in assets. Founded in 1933 and open to all Californians, it offers consumer checking, savings, credit cards, auto and home loans, and digital banking, and holds the naming rights to Golden 1 Center in Sacramento. Like most US credit unions, Golden 1 publishes NO public developer portal and NO first-party public API; its digital banking runs on a core-provider platform, and consumer-permissioned account data is reachable only indirectly through third-party data aggregators (Plaid, MX, Finicity, Akoya) rather than a documented first-party open-finance API. US open finance is voluntary and fragmented, and this institution's public API surface is honestly empty as of this record.

Golden 1 Credit Union is profiled on the APIs.io network. Tagged areas include Financial Services, Banking, Credit Union, United States, and Consumer Finance.

7.7/100 minimal ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-07-27 · rubric v0.5
0 APIs
Financial ServicesBankingCredit UnionUnited StatesConsumer FinanceOpen FinanceData Aggregation

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5
Composite quality — 7.7/100 · minimal
Contract Quality 0.0 / 25
Developer Ergonomics 0.0 / 20
Commercial Clarity 0.0 / 20
Operational Transparency 0.0 / 13
Governance 0.0 / 12
Discoverability 6.8 / 10
Agent readiness — 0/100 · human only
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 15
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
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/golden-1: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

Security Posture 1

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

Golden 1 Domain Security

TLSv1.3 · DNSSEC · DMARC

SECURITY

Resources

Access & Security 1

Authentication, authorization, and security posture

Company 2

The organization behind the API

Source (apis.yml)

apis.yml Raw ↑
aid: golden-1
url: https://raw.githubusercontent.com/api-evangelist/golden-1/refs/heads/main/apis.yml
name: Golden 1 Credit Union
kind: company
description: Golden 1 Credit Union is a state-chartered, member-owned not-for-profit financial cooperative headquartered in
  Sacramento, California, and is one of the largest credit unions in the United States, serving roughly 1.1 million members
  across California with approximately 20 billion dollars in assets. Founded in 1933 and open to all Californians, it offers
  consumer checking, savings, credit cards, auto and home loans, and digital banking, and holds the naming rights to Golden
  1 Center in Sacramento. Like most US credit unions, Golden 1 publishes NO public developer portal and NO first-party public
  API; its digital banking runs on a core-provider platform, and consumer-permissioned account data is reachable only indirectly
  through third-party data aggregators (Plaid, MX, Finicity, Akoya) rather than a documented first-party open-finance API.
  US open finance is voluntary and fragmented, and this institution's public API surface is honestly empty as of this record.
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
tags:
- Financial Services
- Banking
- Credit Union
- United States
- Consumer Finance
- Open Finance
- Data Aggregation
created: '2026-07-23'
modified: '2026-07-23'
specificationVersion: '0.19'
apis: []
common:
- type: DomainSecurity
  url: security/golden-1-domain-security.yml
- type: Website
  url: https://www.golden1.com/
- type: LinkedIn
  url: https://www.linkedin.com/company/golden-1-credit-union
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com