Zions Bancorporation
Zions Bancorporation, National Association is a nationally chartered bank and bank holding company headquartered in Salt Lake City, Utah, with roughly $87 billion in total assets. It is a super-regional operating a single national bank charter across seven regional divisional brands - Zions Bank, Amegy Bank, California Bank & Trust, National Bank of Arizona, Nevada State Bank, Vectra Bank Colorado, and The Commerce Bank of Washington - serving consumers, small business, and commercial/treasury clients across the Western United States. On the open-finance front Zions runs NO public first-party developer API portal: developer.zionsbank.com and api.zionsbank.com do not resolve, and its business digital-banking surface (Treasury Internet Banking at treasurygateway.zionsbank.com) is credential-gated with no published API reference or downloadable OpenAPI. As a large depository institution it is subject to the CFPB Section 1033 Personal Financial Data Rights rule, but Zions has not published a first-party data-access API or a documented FDX-conformant endpoint; consumer-permissioned data sharing in practice reaches Zions through third-party aggregators (Plaid/MX/Finicity/Akoya) rather than a first-party API surface.
Index entry only — little beyond a description and a link, and nothing machine-readable enough for an agent to act on without a human reading the site first.
API Evangelist profiles Zions Bancorporation the way a machine reads it — 1 machine-readable artifact, pulled from the provider's own public surface and indexed so a developer, an analyst, or an AI agent can evaluate it against every other provider on the network.
Every provider in the network is reduced to the same set of machine-readable artifacts — OpenAPI contracts, event specifications, GraphQL schemas, runnable collections, pricing and rate-limit signals, security posture, OAuth scopes, and the agent surfaces (MCP servers and skills) that let software drive the API on its own. We profile them because the interface is the part of a company you can actually inspect: it is a truer signal of what a provider does than any marketing page. From those artifacts we compute the Kin Score — Zions Bancorporation scores 9.2/100 (minimal), with a separate agent-readiness read of 0/100 (human only). The full breakdown is below, followed by every artifact we hold — each card links through to its machine-readable definition on apis.io.
Kin Score
This is the API Evangelist rating — a single, repeatable read computed from the artifacts on this page. Green fill is points earned; the red track is points possible, so every bar shows earned-versus-possible at a glance.
Kin Score
How this is scored →scored 2026-07-27 · rubric v0.5
How we profile Zions Bancorporation
Each block below is one kind of artifact we hold for Zions Bancorporation. For each we say what it is and why it earns a place in the profile, then list every one we've indexed — capped at two rows, scroll within the panel for the rest.
Security Posture 1
Authentication, domain security, vulnerability disclosure, and trust-center signals — the evidence that a provider takes security seriously enough to document it. We profile it because you can't govern what you can't see.
Authentication, domain security, vulnerability disclosure, and trust-center signals.
Resources
Every other property we hold for Zions Bancorporation — documentation, portals, status pages, policies, and corporate surface — grouped by the job it does, following the integrator's arc from getting started to running in production.
Documentation 1
Reference material describing how the API behaves
Access & Security 1
Authentication, authorization, and security posture
Company 2
The organization behind the API
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