# C. Hoare & Co. Dynamic Client Registration API

**Canonical:** https://apis.io/apis/c-hoare-and-co/c-hoare-and-co-dynamic-client-registration-api/  
**Provider:** C. Hoare & Co. — https://apis.io/providers/c-hoare-and-co/  
**Base URL:** https://api.hoaresbank.co.uk/open-banking/v3.1  
**Documentation:** https://developer.hoaresbank.co.uk/apis/ob-dynamic-client-registration-proxy-v3-1-rc1/docs

C. Hoare & Co. Dynamic Client Registration API is one of 3 APIs that [C. Hoare & Co.](https://apis.io/providers/c-hoare-and-co/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Dynamic Client Registration, Authentication, Onboarding, and Open Banking. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and an API reference.

OBIE Dynamic Client Registration (DCR) proxy — lets third-party providers submit a signed Software Statement Assertion to register an OAuth2 client with C. Hoare & Co. as part of TPP onboarding. Published on the developer portal as v3.1-RC1; the harvested contract is the shared OBIE client-registration standard.

## Machine-readable artifacts (4)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/c-hoare-and-co/refs/heads/main/openapi/c-hoare-and-co-dynamic-client-registration-api-openapi.yml
- **Documentation** — https://developer.hoaresbank.co.uk/apis/ob-dynamic-client-registration-proxy-v3-1-rc1/docs
- **APIReference** — https://developer.hoaresbank.co.uk/apis/ob-dynamic-client-registration-proxy-v3-1-rc1/docs
- **Overlay** — https://raw.githubusercontent.com/api-evangelist/c-hoare-and-co/refs/heads/main/overlays/c-hoare-and-co-dynamic-client-registration-api-overlay.yaml

## Other C. Hoare & Co. APIs (2)

- [C. Hoare & Co. Account and Transaction Information API](https://apis.io/apis/c-hoare-and-co/c-hoare-and-co-account-and-transaction-api/)
- [C. Hoare & Co. Payment Initiation API](https://apis.io/apis/c-hoare-and-co/c-hoare-and-co-payment-initiation-api/)

## Tags

Dynamic Client Registration, Authentication, Onboarding, Open Banking

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/c-hoare-and-co/c-hoare-and-co-dynamic-client-registration-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/c-hoare-and-co/.