Build, automate, and scale outbound workflows with the same accounts, campaigns, leads, sequences, and conversations your team uses in Coldy.

Quickstart

Create an API key and make your first authenticated request in a few minutes.

Connect to Coldy

Base URL

https://developer.coldy.ai/api/v1

Authentication

Authorization: Bearer YOUR_API_KEY

Build with Coldy

RESTful by design

Consistent resources, methods, status codes, and JSON payloads.

Secure by default

Bearer keys keep every request scoped to the issuing organization.

Ready for volume

Clear retry guidance and bounded operations support reliable clients.

Contract-led

Endpoint pages are generated directly from the API’s OpenAPI contract.

Core resources

Accounts

Manage connected mailboxes and sending settings.

Campaigns

Create, launch, pause, and update outreach campaigns.

Leads

Add, search, verify, and manage campaign leads.

Sequences

Build and maintain campaign messaging steps.

Unibox

Read conversations and send replies.

Billing

Review organization billing transactions.

Blacklist

Control suppressed emails and domains.

Integrations

Connect Coldy events to external services.