The only accredited LOU/LEI Issuer with APIs to build LEI registration and issuance directly into your applications and workflows

LEI Developers

With our Postman collection, you’ll be up and running in minutes! The LEI API makes registering and issuing Legal Entity Identifiers easy and fast. Find the documentation, sample code, and developer tools you need to easily build ‘same-session’ LEI issuance into your workflows. The RapidLEI automation logic will handle the complexity of the application validation.


LEI Developers

Register an Account

You’ll need a RapidLEI API account, if you don’t have one already contact to request access.

Visual Workflows

The API can be used to create new LEIs and import existing LEIs. The visual workflows help you understand each process and each API call.

View Workflows

Reasons to use the RapidLEI API

Automate LEI registrations
Avoid manual ordering, faster than bulk uploading. Build into applications and workflows for on-demand registration and same session issuance.

Easy to implement
Modern REST API with plenty of guides, reference documents and code snippets to make implementing fast and simple.

Better customer experience
Streamlined engagement means a better user experience for your customers and partners

API Use Cases

Registration Agents (RA)
Reduce back office workload as you streamline how you offer LEIs to your customers and partners for the LEIs you manage and import. See more

Build on-demand requests and same session issuance for LEIs into KYC onboarding and trades workflows. See more

Certificate Authorities
Build on-demand request / issuance for LEI inclusion in Certs, validation workflows, and reselling standalone LEIs. Reduce your validation costs/time, reduce risks of mis-issuance, allow for rapid/automated issuance of Certificates. Enhance and differentiate new products by incorporating LEI. Capitalise on LEI post issuance quality checks and live data lookups. See more 

Building your application

You’ve got an idea in mind of how LEIs can add value to your product, your workflow or your bottom line. Let’s get it to production. Our guides and reference docs will get you across the deploy line using the language of your choice:

<Go>    <cURL>    <jQuery>    <Ruby>    <Python>    <Node>    <PHP>

Ready to get started?
Get in touch to setup a Partner API account.