# Nextiva SMS Messaging API

**Canonical:** https://apis.io/apis/nextiva/nextiva-sms-messaging-api/  
**Provider:** Nextiva — https://apis.io/providers/nextiva/  
**Base URL:** https://api.nextiva.com  
**Documentation:** https://developer.nextiva.com/nextiva/reference/generatetokenwithauthorities

Nextiva SMS Messaging API is one of 10 APIs that [Nextiva](https://apis.io/providers/nextiva/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include SMS Messaging. The published artifact set on APIs.io includes an OpenAPI specification and API documentation.

Operations for sending and managing SMS messages.

## Operations (1)

| Method | Path | Summary |
|---|---|---|
| POST | `/users/api/sms` | Send an outbound SMS message |

## Machine-readable artifacts (5)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/nextiva/refs/heads/main/openapi/nextiva-sms-messaging-api-openapi.yml
- **Documentation** — https://developer.nextiva.com/nextiva/docs/authentication
- **Documentation** — https://developer.nextiva.com/nextiva/docs/workitem-service
- **Documentation** — https://developer.nextiva.com/nextiva/docs/conversation-service
- **Documentation** — https://developer.nextiva.com/nextiva/reference/inbound-and-outbound-sms

## Other Nextiva APIs (9)

- [Nextiva Authentication API](https://apis.io/apis/nextiva/nextiva-authentication-api/)
- [Nextiva Call Management API](https://apis.io/apis/nextiva/nextiva-call-management-api/)
- [Nextiva Campaigns API](https://apis.io/apis/nextiva/nextiva-campaigns-api/)
- [Nextiva Conversations API](https://apis.io/apis/nextiva/nextiva-conversations-api/)
- [Nextiva DTMF API](https://apis.io/apis/nextiva/nextiva-dtmf-api/)
- [Nextiva Email API](https://apis.io/apis/nextiva/nextiva-email-api/)
- [Nextiva Tickets API](https://apis.io/apis/nextiva/nextiva-tickets-api/)
- [Nextiva Transfers API](https://apis.io/apis/nextiva/nextiva-transfers-api/)
- [Nextiva Workitems API](https://apis.io/apis/nextiva/nextiva-workitems-api/)

## Tags

SMS Messaging

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