# API reference

> The REST API for developers with an API key: accounts, campaigns, warmup, verification, leads, inbox, suppression, webhooks, workspaces, keys and usage.

Source: https://warmerly.com/docs/topics/api-reference

The REST API for developers with an API key: accounts, campaigns, warmup, verification, leads, inbox, suppression, webhooks, workspaces, keys and usage.

## Articles

- [Accounts](https://warmerly.com/docs/accounts): API reference for Warmerly accounts (mailboxes): connect Gmail, Outlook, or custom SMTP/IMAP inboxes and manage warmup status, ramp schedule, and…
- [Campaigns](https://warmerly.com/docs/campaigns): API reference for Warmerly campaigns: create and manage multi-step email and LinkedIn outbound sequences, their steps, sending accounts, and leads.
- [Warmup](https://warmerly.com/docs/warmup): API reference for Warmerly warmup: pull mailbox health scores and the inbox-placement emails sent between accounts, to build dashboards or alert on…
- [Verify](https://warmerly.com/docs/verify): API reference for Warmerly's email verification: check syntax, MX records, disposable/role addresses, and live SMTP deliverability, single or in…
- [Email Finder](https://warmerly.com/docs/email-finder): API reference for the Warmerly Email Finder: find and verify a person's or company's email from a domain, website, or name, via async jobs you poll.
- [Leads](https://warmerly.com/docs/leads): API reference for the Warmerly lead database: search millions of crawled companies, export matching rows to CSV, and push them straight into a…
- [Inbox](https://warmerly.com/docs/inbox): API reference for the Warmerly Inbox: list contacts, pull a unified email/LinkedIn conversation timeline, and send replies across channels.
- [Suppression](https://warmerly.com/docs/suppression): API reference for the Warmerly suppression list: add addresses that must never be emailed in any campaign, and how addresses get on the list…
- [Webhooks](https://warmerly.com/docs/webhooks): API reference for Warmerly webhook subscriptions: get HTTP-signed notifications for mailbox health events like score drops, auto-pauses, and OAuth…
- [Workspaces & Projects](https://warmerly.com/docs/workspaces): API reference for Warmerly workspaces and projects: the tenant/billing hierarchy that mailboxes, campaigns, and inbox data attach to via X-Project-Id.
- [API Keys](https://warmerly.com/docs/keys): API reference for managing Warmerly API keys programmatically: create, list, and revoke keys used to authenticate requests to the Warmerly API.
- [Usage & Limits](https://warmerly.com/docs/usage): Read every monthly allowance and every plan limit for a Warmerly workspace over HTTP: GET /usage/quotas for the meters, GET /billing/me?limits=1 for…