Griffin is currently seeking authorisation to become a bank with the PRA and the FCA.

Griffin logo

We’re making a bank you
can build on

Welcome to the platform for your next financial

product or service.

Sign up for the sandbox

Infinite accounts

Ten customers or ten million? Open a dedicated bank account for every single one.

Integrated ledger

Simplify recordkeeping and reconciliation at a fraction of industry standard costs.

Business banking

Manage your money with people who understand your business model.

A platform that grows with you

  • Modern APIs

    Clean and modern JSON over REST

  • Documentation

    Fully documented API Reference, Guides and FAQ

  • Developer sandbox

    Experiment with our API – no NDAs required

GET /v1/accounts HTTP/1.1
Content-Type: application/json; charset=utf-8

  "id": "4c4dbaa1-dbfe-4430-a0be-878a54bf353b",
  "resource": "account",
  "customer_id": "913684e7-6f07-4334-a290-00f389e05",
  "account_type": "checking",
  "sort_code": "12-34-56",
  "balance": 586050,
  "currency": "GBP",
  "account_number": 31926819

We’re here to make your job simple


Track funds and streamline reconciliation with our integrated ledger. No more overnight segregation sweeps of pooled accounts.

CEOs and CFOs

Get the credit you need to grow your business, with data-driven underwriting and competitive interest rates.

Compliance officers

Seamlessly manage financial crime risk with integrated workflows for onboarding, screening and transaction monitoring.

Everything you need in one place

Real bank accounts

We’re currently going through the bank authorisation process with the PRA and FCA. Once authorised, we’ll be offering full bank accounts – with deposits insured under the FSCS – for you and your customers.

Real bank accounts


Send and receive money instantly for yourself and your customers, across all the UK’s major payment rails, including FPS, Bacs and CHAPS.


API first

Start integrating today via our API. Once you sign up, you can start testing in our sandbox environment right away. We aim to get you fully live within one week of starting the process.


Under the hood

Security that scales

API endpoints let you seamlessly manage onboarding and monitoring. Fine-grained access controls and audit logs give you full visibility on account activity.

Real-time notifications

Get instant updates on important events via webhooks, or email if you prefer.

Powerful analytics

Our UI makes it quick and easy to find the insights that matter to your business and generate required regulatory reports.

Start today

We’re building products that make our customers happy. Try them out for yourself in our sandbox environment - no charges, no obligations.

Sign up for the sandbox