Open banking for the lending industry
The leading provider of open banking solutions for credit needs

Trusted by our UK partners








Enriched transactional data
Our categorisation engine has been continuously developed over a 12 year period and trained on over 13 billion consumer transactions. This enables our clients to draw clean insight from even the most complex income and expenditure data sets.
Solutions tailored to your needs
Credit risk assessment
Understand customer credit commitments and repayment risk indicators buried deep in transaction data.

Affordability
Evaluate income and expenditure data at an individual customer level to reduce 'broad brush' dropout.

Account verification
Leverage bank-grade authentication to pre-verify customer identity and account ownership.

Our products
Our integration channels
We can help you source open banking data or work with the data you already have.
Bank connection journey
Enable consumers to share their bank data with you directly via our fully hosted bank connection journey.
Marketplaces
Leverage open banking from point-of-quote through to full application via our credit marketplace integrations.
Bring your own data
Our API supports data from any source. Bring your raw transaction data to us, and we'll transform it into categorised insights.
Access the UK's largest open banking enabled marketplace
Integrating with the D•One API provides immediate access to the largest open banking enabled audience in the UK. The scale and breadth of our dataset is unparalleled for risk model builds and segment expansion, where we can match our records 1-to-1 with lenders' own application vintages and customer cohorts.

Built for speed and simplicity
D•One boasts an API-first design for seamless integration and an ultra-modern tech stack for market-leading processing speed.
