APIs for corporate customers

Streamline your payments and reporting

Bankline Direct APIs for Corporates

Our Commercial Payments & Reconciliation API gives you access to payment information and the ability to make payments real-time 24/7, 365 days a year.

We understand every payment you make is business critical; our APIs enable you to transact and get account information instantly without leaving your enterprise system. NatWest is already processing millions of payments for our customers using API technology.

If your aim is to accelerate payment processing to deliver improvements in your customers experience, Bankline Direct APIs could be the right option for you. 

APIs for Corporates

We offer the following APIs for NatWest corporate, commercial and non-banking financial institutions.

Bankline Direct APIs for Corporates

Integrating with this API will allow you to drive cost efficiencies and reduce manual tasks while having the ability to:

  • make domestic Faster Payments, CHAPS and international payments using ISO 20022 Pain.003 (JSON)
  • receive real-time Payment Status Notifications in ISO 20022 Pain.002 (JSON)
  • receive account balance and transaction reporting

Access our developer documentation in the Bank of APIs portal*.

*Registration is required and content is access controlled.

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AutoPay Bacs API

With this API, you’ll be able to submit Bacs payments unattended and seamlessly through AutoPay Direct as well as having the ability to:

  • create payment files, instructions and templates
  • review and update status notifications
  • access Bacs reports to easily highlight rejected payments and collections.


Security may be required. Subject to status and eligibility criteria, Fees apply.

You must hold a business current account with NatWest, and you will need to agree to the Autopay Online terms and conditions (PDF, 405KB).

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A whole package, not just a product

Bankline Direct is an innovative, secure and scalable solution, but it’s more than just a product. You also benefit from our commitment to our customers, our years of experience and a solid API-focused strategy. 

Dedicated support

A dedicated Implementation Manager will support you with the onboarding process and help you establish seamless integration with your existing Treasury Management System (TMS) and Enterprise Resource Planning (ERP).

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24/7 specialist helpdesk

Once your API is live, you’ll have access to our specialist helpdesk and on-call support outside of normal working hours.

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Sandbox environment

A sandbox environment is available to allow self-serve format validation and enable faster onboarding. 

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ISO ready

Our payment APIs use industry-standard security and ISO 20022 formats future proof your operations.

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How does it work?

Get in touch

Tell us you’re interested and we’ll grant you access to the developer documentation

Connect & build

Build your connection to us alongside the support of a dedicated Implementation Manager

Test & prove

Test your formats in our sandbox environment and prove end-to-end before you go live

Go live

Once your API is up and running you’ll have the support of our specialist helpdesk 24/7

Interested in Bankline Direct APIs?

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

You can connect into Bankline Direct using an API, other options are avaliable.

Bankline Direct is available to NatWest business account customers who meet the specific eligibility criteria.  Fees apply.