Alliant Credit Union website screenshot

Alliant Credit Union

Alliant Credit Union is a federally chartered, member-owned credit union headquartered in Chicago, Illinois, regulated by the National Credit Union Administration (NCUA). Founded in 1935 as the United Airlines Employees' Credit Union and rebranded Alliant in 2003, it is one of the largest credit unions in the United States, with more than 800,000 members and over $19 billion in assets. Alliant operates as a digital-first, branchless institution offering consumer and commercial deposit accounts, high-yield savings and checking, credit cards, auto and home loans, and business banking. Like nearly all U.S. credit unions, Alliant publishes no public first-party developer API or developer portal; consumer-permissioned data access is available to members only through third-party aggregators (Plaid, MX, Finicity, Akoya) rather than a directly documented open-finance API.

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

🌐 Visit website 📡 Source on GitHub
7.7/100 minimal ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-07-27 · rubric v0.5
0 APIs
Financial ServicesBankingUnited StatesCredit UnionOpen FinanceData AggregationConsumer Banking

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/alliant-credit-union: 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.

Alliant Credit Union Domain Security

TLSv1.2 · HSTS · DNSSEC · DMARC

SECURITY

Resources

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity

Company 2

The organization behind the API

Website
Website
 LinkedIn
LinkedIn

Source (apis.yml)

apis.yml Raw ↑ 
aid: alliant-credit-union
url: https://raw.githubusercontent.com/api-evangelist/alliant-credit-union/refs/heads/main/apis.yml
name: Alliant Credit Union
kind: company
description: Alliant Credit Union is a federally chartered, member-owned credit union headquartered in Chicago, Illinois,
  regulated by the National Credit Union Administration (NCUA). Founded in 1935 as the United Airlines Employees' Credit Union
  and rebranded Alliant in 2003, it is one of the largest credit unions in the United States, with more than 800,000 members
  and over $19 billion in assets. Alliant operates as a digital-first, branchless institution offering consumer and commercial
  deposit accounts, high-yield savings and checking, credit cards, auto and home loans, and business banking. Like nearly
  all U.S. credit unions, Alliant publishes no public first-party developer API or developer portal; consumer-permissioned
  data access is available to members only through third-party aggregators (Plaid, MX, Finicity, Akoya) rather than a directly
  documented open-finance API.
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
tags:
- Financial Services
- Banking
- United States
- Credit Union
- Open Finance
- Data Aggregation
- Consumer Banking
created: '2026-07-23'
modified: '2026-07-23'
specificationVersion: '0.19'
apis: []
common:
- type: DomainSecurity
  url: security/alliant-credit-union-domain-security.yml
- type: Website
  url: https://www.alliantcreditunion.org/
- type: LinkedIn
  url: https://www.linkedin.com/company/alliant-credit-union
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com