Developer Platform

Assessment Infrastructure for Developers.

RESTful APIs, webhooks, and an SDK for every major language — so your engineering team can embed world-class assessments directly into your product.

REST & GraphQLAPI protocols
99.99%Uptime SLA
5 languagesSDK coverage
Prelim
REST & GraphQL
API protocols
99.99%
Uptime SLA
DEVELOPER PLATFORM

Build on Prelim's assessment engine

RESTful APIs, webhooks, and an SDK for every major language — so your engineering team can embed world-class assessments directly into your product.

  • Embed live assessments in any web app
  • Webhooks for real-time result delivery
  • Full white-label customisation via API
API Access | Prelim.io
HOW IT WORKS

Authenticate → Integrate → Go Live

1

Authenticate

Get your API keys from the developer portal. OAuth 2.0 and API key authentication supported out of the box.

2

Integrate

Use our REST API or language SDKs (Python, Node, Java, .NET) to embed assessments in hours, not weeks.

3

Go Live

Go live with confidence. Our SLA-backed infrastructure handles 50M+ API calls per month with zero downtime.

Built for product teams who want to move fast
Developer Platform

Built for product teams who want to move fast

Prelim's API was designed by engineers for engineers. Comprehensive documentation, sandbox environment, and a Postman collection so you can explore before you commit.

  • Embed live assessments in any web app
  • Webhooks for real-time result delivery
  • Full white-label customisation via API
Enterprise-grade reliability, startup-friendly simplicity
Developer Platform

Enterprise-grade reliability, startup-friendly simplicity

Whether you're processing 100 or 10 million assessments, our infrastructure scales automatically. SOC 2 Type II certified. GDPR compliant. ISO 27001 ready.

Developer Platform

Build on Prelim's assessment engine

RESTful APIs, webhooks, and an SDK for every major language — so your engineering team can embed world-class assessments directly into your product.

Authenticate

Get your API keys from the developer portal. OAuth 2.0 and API key authentication supported out of the box.

Integrate

Use our REST API or language SDKs (Python, Node, Java, .NET) to embed assessments in hours, not weeks.

Go Live

Go live with confidence. Our SLA-backed infrastructure handles 50M+ API calls per month with zero downtime.

Start building with Prelim APIs today.

Embed world-class assessments into your product in hours, not weeks.