Greater Bank
Greater Bank is a customer-owned Australian retail bank headquartered in Newcastle, New South Wales, offering everyday transaction and savings accounts, term deposits, home loans, personal loans, and credit cards to personal and business customers. In March 2023 Greater Bank merged with Newcastle Permanent to form Newcastle Greater Mutual Group (NGM Group), one of Australia's largest customer-owned mutual banking organisations, while continuing to trade under the Greater Bank brand. As an Authorised Deposit-taking Institution (ADI) it is a designated data holder under Australia's Consumer Data Right (CDR / Open Banking) and exposes a public, unauthenticated Product Reference Data (PRD) API conforming to the Data Standards Body (DSB) Consumer Data Standards. Consumer-data sharing beyond PRD runs on the accredited CDR data-recipient (ADR) model with OAuth2/OpenID Connect FAPI-profile security.
Greater Bank publishes 7 API contracts indexed on the APIs.io network, including Banking Account Balances API, Banking Account Direct Debits API, Banking Account Scheduled Payments API, and 4 more. Tagged areas include Finance, Banks, Open Banking, CDR, and Consumer Banking.
The Greater Bank catalog on APIs.io includes 1 Spectral governance ruleset.
Greater Bank’s developer surface includes authentication, documentation, getting-started guide, API reference, support, and 20 more developer resources.
What this lets a business do 2
Business capabilities this provider's published APIs can perform, derived from its own contracts. Browse all capabilities →
Kin Score
Markets this provider is in provisional
The Kin Score Market layer reads a provider inside its market: its position, and how deep its integrations go. Depth is only comparable within a position. Provisional and unweighted: not part of the Kin Score or agent readiness.
| Market | Position | Depth | Registered MCP server | Declares compatibility |
|---|---|---|---|---|
| Australia Consumer Data Right register (accredited data recipients; banking, energy, non-bank lending) | regulated | 19.2 (thin) | - | - |
| Australia AFS, Credit and ADI Registers (ASIC + APRA licensing) | regulated | 19.2 (thin) | - | - |
Registered MCP server and declares compatibility are report only — not weighted. Undeclared means we found nothing we can read, so there is no number: we never infer integrations.
Standards implemented 3
Standards this provider implements or carries. De facto ones are profiled and measured by the API Commons; formal ones come from the standards directory and are linked by the provider's own tags. The evidence column says how each claim was established — not that it was made.
APIs 7
Individual APIs this provider publishes, each with its own machine-readable definition.
Greater Bank Banking Account Balances API
Banking Account Balance endpoints
Greater Bank Banking Account Direct Debits API
Banking Account Direct Debit endpoints
Greater Bank Banking Account Scheduled Payments API
Banking Account Scheduled Payment endpoints
Greater Bank Banking Account Transactions API
Banking Account Transaction endpoints
Greater Bank Banking Accounts API
Banking Account endpoints
Greater Bank Banking Payees API
Banking Payee endpoints
Greater Bank Banking Products API
Banking Product endpoints
Scroll for all 7
Open Collections 7
Open, tool-agnostic API collections (OpenAPI-derived and Bruno).
CDR Banking Banking Account Balances API
OPEN COLLECTIONCDR Banking Banking Account Balances Banking Accounts API
OPEN COLLECTIONCDR Banking Banking Account Balances Banking Payees API
OPEN COLLECTIONCDR Banking Banking Account Balances Banking Products API
OPEN COLLECTIONScroll for all 7
Arazzo Workflows 1
Multi-step API workflows described with the Arazzo specification.
Greater Bank product lookup
List Greater Bank's public CDR Product Reference Data (PRD) offerings, then retrieve the full detail for one product. Runs unauthenticated against the live public CDS host (no c...
ARAZZOAgent Skills 1
Packaged agent skills for driving this provider's APIs from an AI assistant.
Look up Greater Bank banking products
AGENT SKILLSpectral Rules 1
Spectral governance rulesets for linting and validating these APIs.
Greater Bank API Rules
SPECTRALOpenAPI Overlays 1
Overlays applied on top of this provider's contracts. Each card says who wrote it: a document the provider publishes, or one API Evangelist derived or generated.
Security Posture 2
Authentication, domain security, vulnerability disclosure, and trust-center signals.
Agentic Access 1
Recommended x-agentic-access execution contracts for AI agents.
Resources
Get Started 1
Portal, sign-up, and the first successful call
Documentation 2
Reference material describing how the API behaves
Agent Surfaces 4
MCP servers, agent skills, and machine-readable catalogs
Design & Contract 6
Pagination, idempotency, versioning, errors, and events
Access & Security 2
Authentication, authorization, and security posture
Operate 3
Status, limits, changes, and where to get help
Commercial 2
Pricing, plans, and the legal terms of use
Company 2
The organization behind the API
Other 3
Properties that don't map to a standard resource type
Source (apis.yml)
Greater Bank API — frequently asked questions
Does Greater Bank have an API?
Yes. APIs.io lists 7 APIs from Greater Bank, including Greater Bank Banking Account Balances API, Greater Bank Banking Account Direct Debits API and Greater Bank Banking Account Scheduled Payments API, and 4 more.
Is there an OpenAPI specification for the Greater Bank API?
Yes. APIs.io indexes 7 OpenAPI specifications for Greater Bank, each linked for download from this page.
How do I authenticate with the Greater Bank API?
Greater Bank uses bearer-token authentication (none/oauth2/openIdConnect · 2 schemes). The details are profiled on APIs.io as Greater Bank Authentication.
Is the Greater Bank API ready for AI agents?
Greater Bank has a Kin Score of 35.5 out of 100 (thin) and an Agent Readiness score of 25.5 (agent-aware), scored by API Evangelist on 2026-11-06.
Work with this as data
Every provider here is available over the APIs.io API and to AI agents over MCP.