# Ortto Transactional API

**Canonical:** https://apis.io/apis/ortto/ortto-transactional-api/  
**Provider:** Ortto — https://apis.io/providers/ortto/  
**Base URL:** https://api.ap3api.com/v1  
**Documentation:** https://help.ortto.com/a-250-api-reference

Ortto Transactional API is one of 6 APIs that [Ortto](https://apis.io/providers/ortto/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Transactional. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and an API reference.

Send transactional email and SMS.

## Machine-readable artifacts (9)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/ortto/refs/heads/main/openapi/ortto-transactional-api-openapi.yml
- **Overlay** — https://raw.githubusercontent.com/api-evangelist/ortto/refs/heads/main/overlays/ortto-transactional-api-overlay.yaml
- **Documentation** — https://help.ortto.com/a-257-create-or-update-one-or-more-people-merge
- **APIReference** — https://help.ortto.com/a-250-api-reference
- **Documentation** — https://help.ortto.com/a-271-create-a-custom-activity-event-create
- **Documentation** — https://help.ortto.com/a-887-using-the-api-to-export-campaign-data
- **Documentation** — https://help.ortto.com/a-227-tagging-and-untagging-people
- **Documentation** — https://help.ortto.com/a-827-send-emails-via-api
- **Documentation** — https://help.ortto.com/a-223-developer-guide

## Other Ortto APIs (5)

- [Ortto Accounts API](https://apis.io/apis/ortto/ortto-accounts-api/)
- [Ortto Activities API](https://apis.io/apis/ortto/ortto-activities-api/)
- [Ortto Campaigns API](https://apis.io/apis/ortto/ortto-campaigns-api/)
- [Ortto People API](https://apis.io/apis/ortto/ortto-people-api/)
- [Ortto Tags API](https://apis.io/apis/ortto/ortto-tags-api/)

## Tags

Transactional

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