# Smartlead Master Inbox API

**Canonical:** https://apis.io/apis/smartlead-ai/smartlead-ai-master-inbox-api/  
**Provider:** Smartlead — https://apis.io/providers/smartlead-ai/  
**Base URL:** https://server.smartlead.ai/api/v1  
**Documentation:** https://api.smartlead.ai/api-reference

Smartlead Master Inbox API is one of 19 APIs that [Smartlead](https://apis.io/providers/smartlead-ai/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Master Inbox. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and an API reference.

Unified inbox for all campaign communications

## Operations (6)

| Method | Path | Summary |
|---|---|---|
| POST | `/v1/campaigns/{campaign_id}/reply-email-thread` | Reply to Email Thread |
| POST | `/v1/campaigns/{campaign_id}/forward-email` | Forward Email |
| POST | `/v1/master-inbox/sent` | Get Sent Emails |
| POST | `/v1/master-inbox/inbox-replies` | Get Inbox Replies |
| POST | `/v1/master-inbox/unread-replies` | Get Unread Replies |
| POST | `/v1/master-inbox/important` | Get Important Emails |

## Machine-readable artifacts (3)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/smartlead-ai/refs/heads/main/openapi/smartlead-ai-master-inbox-api-openapi.yml
- **Documentation** — https://api.smartlead.ai/introduction
- **APIReference** — https://api.smartlead.ai/api-reference

## Other Smartlead APIs (12)

- [Smartlead Campaigns API](https://apis.io/apis/smartlead-ai/campaigns-api/)
- [Smartlead Leads API](https://apis.io/apis/smartlead-ai/leads-api/)
- [Smartlead Email Accounts API](https://apis.io/apis/smartlead-ai/email-accounts-api/)
- [Smartlead Email Warmup API](https://apis.io/apis/smartlead-ai/email-warmup-api/)
- [Smartlead Webhooks API](https://apis.io/apis/smartlead-ai/webhooks-api/)
- [Smartlead Analytics API](https://apis.io/apis/smartlead-ai/analytics-api/)
- [Smartlead Client Management API](https://apis.io/apis/smartlead-ai/client-management-api/)
- [Smartlead Campaign Statistics API](https://apis.io/apis/smartlead-ai/smartlead-ai-campaign-statistics-api/)
- [Smartlead Campaigns API](https://apis.io/apis/smartlead-ai/smartlead-ai-campaigns-api/)
- [SmartLead Documentation MCP Server](https://apis.io/apis/smartlead-ai/mcp-server/)
- [Smartlead Analytics API](https://apis.io/apis/smartlead-ai/smartlead-ai-analytics-api/)
- [Smartlead Authentication API](https://apis.io/apis/smartlead-ai/smartlead-ai-authentication-api/)

## Tags

Master Inbox

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/smartlead-ai/smartlead-ai-master-inbox-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/smartlead-ai/.