APISign Documentation

Complete guide to using APISign for digital contract management. Build templates, send contracts for e-signature from the dashboard or the API, and pay $0.25 for each contract you send. New organizations start with 20 free contracts.

Getting Started

Quick Start

Templates

Templates Overview

Understand how templates work and their role in contract creation.

Creating Templates

Build templates with the editor, the template library, Word import and the AI assistant.

Template Variables

Use dynamic placeholders for names, dates, amounts, signatures and other fields.

Writing Guide

Best practices for clear, professional contract language.

Contracts

Contracts Overview

Learn the contract lifecycle from creation to completion.

Creating Contracts

Create contracts in the dashboard or with the API, from a template or your own content.

Signing Process

Understand how signers receive, review, and sign contracts, and what happens when everyone has signed.

API Reference

API Overview

Quick start guide, base URL, and error handling.

Authentication

API keys and security best practices.

Contracts API

Create, send, and manage contracts for signing.

Templates API

Manage reusable contract templates with variables.

Webhooks

Receive real-time notifications when contracts are viewed, signed, or completed.

MCP Server

Connect Claude, ChatGPT, Cursor and other AI agents with OAuth or an API key to manage templates and send contracts.