TeleSign Developer Center

Welcome! This resource hub provides documentation and references on API & SDK integration and other product-related information.

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This documentation is intended for you if you use endpoints that begin with If you have endpoints that begin with or, you need the Score for Enterprise page.

The Score API is a REST API that delivers reputation scoring based on phone number intelligence, traffic patterns, machine learning, and a global data consortium.

Choose an SDK

To get started, choose and download an SDK. TeleSign SDKs make it easier to work with TeleSign products, because they handle authentication for you.

API Documents for Score

An API document describes available parameters, features, responses, and error codes for a product.

Quick Starts for Score

A Quick Start document is designed to explain how to use a TeleSign product to complete a general task using a walkthrough of a code sample.

Conceptual Walkthroughs

A Conceptual Walkthrough document is designed to explain technical concepts, or walk you through a workflow or implementation process using diagrams and pseudo-code.