# Puffle > GTM intelligence platform for founders. Puffle helps customers find leads, enrich them, run outbound campaigns, track buying signals, and manage replies through the public HTTP API. This index points AI agents at the pages they need to operate the product end-to-end on behalf of a human customer. ## Start here - [AI Agent Playbook](https://docs.puffle.ai/guides/agent-playbook): Auth, credits, async patterns, error handling, and prescribed call sequences for the four core user journeys. Read this before issuing any API call. - [API Overview](https://docs.puffle.ai/api-reference/overview): Base URL, API keys, authentication, rate limits, error shape, status codes, and cursor pagination. ## Core capabilities - [Campaigns](https://docs.puffle.ai/api-reference/campaigns/create-draft-campaign): Multi-channel outbound — create drafts, attach leads, sequence messages, launch, monitor. - [Lists](https://docs.puffle.ai/api-reference/lists/create-list): Saved working sets of Leads with filters, exports, and AI enrichment fields. - [Signals](https://docs.puffle.ai/core-concepts/signals): Detected buying-intent events across LinkedIn, Reddit, news, and other configured sources. - [Start Lead Search](https://docs.puffle.ai/api-reference/leads/create-lead-search): Natural-language prompt-and-count lead discovery. - [Unibox](https://docs.puffle.ai/api-reference/unibox/list-threads): Shared inbox for campaign replies and follow-up messages. - [Senders](https://docs.puffle.ai/api-reference/senders/list-senders): Connected email and LinkedIn sender accounts, sending domains, DNS verification, and warmup.