Bankline Direct APIs

Offering a real time solution, 24/7

Why choose APIs?

Bankline Direct’s API solution offers a secure, reliable, 24/7 connection method with real-time availability, payments and reconciliation using the latest API technology.

APIs provide the building blocks to your digital solutions, offering seamless payments and data integration that grows with you.

Watch the short video to find out more.

Transforming Treasury

The new economy is always-on, fuelled by 24/7 e-commerce and the continued rise in mobile and online payments.

This creates a need for treasuries to automate and optimise back-office processes – and become more influential than ever across their organisations’ activities.

APIs designed with you in mind 


Our APIs are always on and able to grow with your business


Industry-standard protocols ensure robust authentication and data encryption


Send payments on demand and dynamically, not batch


Future-proof with real-time reporting data and always on notifications

API by customer type

Whether you’re a financial institution needing inward and outward bank-grade payments or a corporate that requires real-time payments and reconciliation, we have a solution.

Corporate customers

For commercial, corporate and non-banking financial institution customers.

  • Commercial Payments & Reconciliation API
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Financial institutions

Includes indirect service providers.

  • Indirect Access Payments & Notifications API
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Required Expertise

To ensure a smooth and efficient onboarding experience onto our APIs, you or your third party supplier will need to have knowledge and experience in:

  • JavaScript Object Notation (JSON) – the format used for all messaging associated with our APIs.

  • JavaScript Web Token (JWT) – used to transmit signed payloads between our customers and our APIs. 

  • Secure Sockets Layer/Mutual Transport Layer Security (SSL/mTLS) – used to encrypt the link between our customers and our APIs.

  • Representational state transfer (REST) APIs – an architectural style for use with web-based APIs. 

  • Digital Certificates – used to prove the authenticity of communications.


Future plans for Bankline Direct APIs

Bankline Direct APIs

We understand every single payment you make is business critical, so our key focus is building a secure, and scalable service

We are currently working on enhancements and aim to deliver:

  • Notifications Enquiry API (Corporate API only) providing the ability to enquire about a payment status notification
  • Bulk Payments API to enable the processing of greater volume of payments and notifications
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Interested in Bankline Direct APIs? Get in touch

If you’re an existing NatWest customer, get in touch with your Relationship Manager directly.

If you’re new to us, or prefer to register your interest, send us your details using the link below and we’ll be in touch.