# Faivelo transactional API

**Canonical:** https://apis.io/apis/faivelo-com/transactional-api/  
**Provider:** Faivelo — https://apis.io/providers/faivelo-com/  
**Documentation:** https://faivelo.com/docs/transactional

Faivelo transactional API is one of 3 APIs that [Faivelo](https://apis.io/providers/faivelo-com/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. This API exposes 6 JSON Schema definitions. The published artifact set on APIs.io includes an OpenAPI specification and 6 JSON Schemas.

Faivelo transactional API as documented publicly: 4 operations. Contract generated from the documentation by API Evangelist (2026-11-07); not the provider's own document.

## Operations (4)

| Method | Path | Summary |
|---|---|---|
| POST | `/api/v1/emails` | POST /api/v1/emails |
| GET | `/api/v1/emails/{id}` | Poll with GET /api/v1/emails/{id}. |
| POST | `/api/v1/mailboxes/{address}/attachments` | upload each large file first: POST /api/v1/mailboxes/{address}/attachments. |
| POST | `/api/v1/mailboxes/{address}/send` | Sending from a mailbox instead POST /api/v1/mailboxes/{address}/send sends as an existing mailbox. |

## Machine-readable artifacts (7)

- **OpenAPI** — https://artifacts.apis.io/faivelo-com/openapi/_ae-authored/faivelo-com-transactional-openapi-generated.yml
- **JSONSchema** — https://artifacts.apis.io/faivelo-com/json-schema/faivelo-com-post-api-v1-mailboxes-address-send-request-schema.json
- **JSONSchema** — https://artifacts.apis.io/faivelo-com/json-schema/faivelo-com-post-api-v1-mailboxes-address-attachments-response-schema.json
- **JSONSchema** — https://artifacts.apis.io/faivelo-com/json-schema/faivelo-com-post-api-v1-mailboxes-address-attachments-request-schema.json
- **JSONSchema** — https://artifacts.apis.io/faivelo-com/json-schema/faivelo-com-get-api-v1-emails-id-response-schema.json
- **JSONSchema** — https://artifacts.apis.io/faivelo-com/json-schema/faivelo-com-post-api-v1-emails-request-schema.json
- **JSONSchema** — https://artifacts.apis.io/faivelo-com/json-schema/faivelo-com-post-api-v1-mailboxes-address-send-response-schema.json

## Other Faivelo APIs (2)

- [Faivelo core API](https://apis.io/apis/faivelo-com/core-api/)
- [Faivelo v1 API](https://apis.io/apis/faivelo-com/v1-api/)

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