# mails-ai Messages API

**Canonical:** https://apis.io/apis/mails-ai/mails-ai-messages-api/  
**Provider:** mails-ai — https://apis.io/providers/mails-ai/  
**Base URL:** https://api.mails.ai

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

Send, list, retrieve, reply, forward, schedule, and cancel email.

## Operations (10)

| Method | Path | Summary |
|---|---|---|
| POST | `/v1/messages` | Send a message |
| GET | `/v1/messages` | List sent messages |
| POST | `/v1/messages/batch` | Send a batch of messages |
| POST | `/v1/messages/appeal` | Appeal a cold-firewall refusal |
| GET | `/v1/messages/{id}` | Retrieve a sent message |
| PATCH | `/v1/messages/{id}` | Reschedule a scheduled message |
| POST | `/v1/messages/{id}/reply` | Reply to a message |
| POST | `/v1/messages/{id}/forward` | Forward a message |
| POST | `/v1/messages/{id}/cancel` | Cancel a scheduled message |
| GET | `/v1/messages/{id}/raw` | Download raw RFC822 (.eml) |

## Machine-readable artifacts (1)

- **OpenAPI** — https://artifacts.apis.io/mails-ai/openapi/mails-ai-messages-api-openapi.yml

## Other mails-ai APIs (12)

- [mails-ai Account API](https://apis.io/apis/mails-ai/mails-ai-account-api/)
- [mails-ai Agents API](https://apis.io/apis/mails-ai/mails-ai-agents-api/)
- [mails-ai API Keys API](https://apis.io/apis/mails-ai/mails-ai-api-keys-api/)
- [mails-ai Billing API](https://apis.io/apis/mails-ai/mails-ai-billing-api/)
- [mails-ai Connected Apps API](https://apis.io/apis/mails-ai/mails-ai-connected-apps-api/)
- [mails-ai Domains API](https://apis.io/apis/mails-ai/mails-ai-domains-api/)
- [mails-ai Drafts API](https://apis.io/apis/mails-ai/mails-ai-drafts-api/)
- [mails-ai Events API](https://apis.io/apis/mails-ai/mails-ai-events-api/)
- [mails-ai Inbound API](https://apis.io/apis/mails-ai/mails-ai-inbound-api/)
- [mails-ai Labels API](https://apis.io/apis/mails-ai/mails-ai-labels-api/)
- [mails-ai Logs API](https://apis.io/apis/mails-ai/mails-ai-logs-api/)
- [mails-ai Metrics API](https://apis.io/apis/mails-ai/mails-ai-metrics-api/)

## Tags

Messages

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