The API uses Authorization header to authenticate users. A valid API key is required for all requests.

An V2 API key can be obtained by contacting a Sales representative 

. Each app has its own set of API keys. We recommend creating a separate API key for each application that will be making calls on your behalf

Learn how to access the API by providing a valid API key in the Authorization header. Find out how to obtain API keys and why it is beneficial to create separate keys for different applications. This document includes a sample curl command to easily verif

Event

Authentication

List

Unarchive

Delete

Contacts

Successeve API references

Developer zone

Introduction

Rate limits

Pagination

Archiving and Deleting

Contact

Account

Tracking API

Accounts

Notes

Tasks

Activities

Users

Access API

HTTP Responses

Changelog

API version 2.0

Authentication

Obtaining an API Key

Verify your token