Use the Instantly developer documentation to build integrations, automate workflows, and manage your workspace programmatically.
Quickstart Create an API key and make your first API request.
Browse the API reference Explore API setup, guides, endpoints, and schemas.
Connect accounts with OAuth Connect Google and Microsoft email accounts to a workspace.
Receive webhook events Respond to campaign, email, lead, and meeting events.
What you can build
Use API v2 to:
Manage email accounts, campaigns, leads, and lists.
Connect Google and Microsoft email accounts through OAuth.
Receive real-time activity through webhooks.
Manage sub workspaces from an admin workspace.
Before you start
You need access to an Instantly workspace and an API v2 key. When you create a key, select only the scopes your integration requires.
Follow the quickstart to send your first request.
Base URL
Send API v2 requests to:
Authenticate each request with your API key as a bearer token. See Authorization for details.
Keep your API key secure. Never expose it in client-side code or commit it to source control.