# Greater Bank

**Canonical:** https://apis.io/providers/greater-bank/  
**Website:** https://www.greater.com.au/  
**APIs profiled:** 7

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.

## Kin Score — 38.7 / 100 (thin)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 38.7).

| Facet | Score |
|---|---|
| Discoverability | 81.5 |
| Contract Quality | 51.0 |
| Governance | 16.7 |
| Contract Governance | 16.7 |
| Operational Transparency | 15.8 |
| Developer Ergonomics | 47.0 |
| Commercial Clarity | 21.1 |
| Access Clarity | 21.1 |

Regulatory layer — **Banking & Open Finance**: 31.6 (matched via tags).

## Agent readiness — 34.0 (agent-ready)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | yes |
| Idempotency | no |
| Error Semantics | verified |
| OpenAPI Examples | no |
| Rate Limit Signal | no |
| Event Surface Described | no |
| Agent Skills | derived |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |

## Access

Self-serve signup — onboarding: self-serve, pricing: unknown, trial: no (confidence: medium).

## APIs (7)

- **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

## MCP servers (1)

- **Greater Bank MCP Server**

## Agentic access (1)

- **Greater Bank Agentic Access** — 19 operations · 3 acting

## Security (2)

- **Greater Bank Authentication** — none/oauth2/openIdConnect · 2 schemes
- **Greater Bank Domain Security** — TLSv1.3 · DMARC

## Tags

Financial, Banks, Open Banking, CDR, Consumer Banking, Australia, Mutual, Product Reference Data

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/greater-bank/). Scores are computed from the provider's own public artifacts under a published rubric.