Discover Financial Services
Discover Financial Services is a US direct bank and payments company that owns the Discover Network, the PULSE debit network, and Diners Club International. Its Discover Global Network (DGN) developer program exposes a partner-gated developer center with interactive OpenAPI documentation for card-network products — EMV 3-D Secure (ProtectBuy), Secure Remote Commerce / Click to Pay, Stored Token Services (tokenization), and Discover Deliver push payments. Consumer account-data access is delivered through open-finance aggregators (Plaid, Finicity) rather than a first-party retail-banking API.
More than an index entry, but the surface is still mostly links rather than artifacts — the cohort most likely to move a full band from modest, well-targeted work.
API Evangelist profiles Discover Financial Services the way a machine reads it — 6 machine-readable artifacts across 4 APIs, 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 — Discover Financial Services scores 19.7/100 (emerging), 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 Discover Financial Services
Each block below is one kind of artifact we hold for Discover Financial Services. 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.
APIs 4
Each API is captured as its own OpenAPI definition — every operation, parameter, and response. This is the single most useful machine-readable description of what an API does, and it's what lets us score, lint, mock, and generate against it without asking the provider for anything.
Individual APIs this provider publishes, each with its own machine-readable definition.
Discover ProtectBuy 3-D Secure API
ProtectBuy is Discover Global Network's EMV 3-D Secure (3DS) cardholder authentication service. Built on the EMVCo 3-D Secure protocol, it lets merchants, acquirers, and 3DS ser...
Discover Secure Remote Commerce (Click to Pay) API
Discover's Secure Remote Commerce (SRC) implementation powers Click to Pay, the EMVCo standard for a streamlined, tokenized online checkout across participating card networks. T...
Discover Stored Token Services API
Stored Token Services is Discover Global Network's payment tokenization service. It replaces sensitive card account numbers with network tokens for card-on-file, digital-wallet,...
Discover Deliver Push Payments API
Discover Deliver is Discover Global Network's push-payments (Original Credit Transaction) service, enabling the quick, convenient, and secure transfer of funds directly to eligi...
Security Posture 2
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 Discover Financial Services — 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.
Get Started 2
Portal, sign-up, and the first successful call
Agent Surfaces 1
MCP servers, agent skills, and machine-readable catalogs
Design & Contract 1
Pagination, idempotency, versioning, errors, and events
Build 1
SDKs, sample code, and the tooling you integrate with
Access & Security 3
Authentication, authorization, and security posture
Commercial 2
Pricing, plans, and the legal terms of use
Company 4
The organization behind the API
Other 2
Properties that don't map to a standard resource type
← All providers · Data indexed from github.com/api-evangelist/discover-financial · machine-readable index on apis.io