# Avaya Asynchronous Messages API

**Canonical:** https://apis.io/apis/avaya/avaya-asynchronous-messages-api/  
**Provider:** Avaya — https://apis.io/providers/avaya/  
**Base URL:** https://{region}.api.avayacloud.com  
**Documentation:** https://developers.avayacloud.com/avaya-infinity/reference

Avaya Asynchronous Messages API is one of 84 APIs that [Avaya](https://apis.io/providers/avaya/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Asynchronous Messages. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, an API reference, a getting-started guide, authentication docs, and a changelog.

Messages related to non-session based communication with the contact center are considered to be asynchronous messages. Based on the information passed, the contact center will either model this against existing entities like conversation, engagement or dialog, or else new entities will be created.

## Operations (2)

| Method | Path | Summary |
|---|---|---|
| POST | `/accounts/{accountId}/attachments` | Upload Attachments |
| POST | `/accounts/{accountId}/messages` | Send Async Message |

## Machine-readable artifacts (13)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/avaya/refs/heads/main/openapi/avaya-asynchronous-messages-api-openapi.yml
- **Documentation** — https://developers.avayacloud.com/avaya-infinity/docs/introduction
- **APIReference** — https://developers.avayacloud.com/avaya-infinity/reference
- **GettingStarted** — https://developers.avayacloud.com/avaya-infinity/docs/quick-start
- **Authentication** — https://developers.avayacloud.com/avaya-infinity/docs/how-to-authenticate-with-avaya-infinitytm-apis
- **ChangeLog** — https://developers.avayacloud.com/avaya-infinity/changelog
- **Webhooks** — https://raw.githubusercontent.com/api-evangelist/avaya/refs/heads/main/asyncapi/avaya-webhooks.yml
- **Documentation** — https://developers.avayacloud.com/avaya-experience-platform/docs/getting-started-introduction
- **APIReference** — https://developers.avayacloud.com/avaya-experience-platform/reference
- **GettingStarted** — https://developers.avayacloud.com/avaya-experience-platform/docs/getting-started
- **Authentication** — https://developers.avayacloud.com/avaya-experience-platform/docs/how-to-authenticate-with-axp-apis
- **ChangeLog** — https://developers.avayacloud.com/avaya-experience-platform/changelog
- **Postman** — https://www.postman.com/avaya-axp/avaya-experience-platform

## Other Avaya APIs (12)

- [Avaya Access Token API](https://apis.io/apis/avaya/avaya-access-token-api/)
- [Avaya Account API](https://apis.io/apis/avaya/avaya-account-api/)
- [Avaya Agent Location API](https://apis.io/apis/avaya/avaya-agent-location-api/)
- [Avaya Agent Notes API](https://apis.io/apis/avaya/avaya-agent-notes-api/)
- [Avaya Agents API](https://apis.io/apis/avaya/avaya-agents-api/)
- [Avaya Audit Records API](https://apis.io/apis/avaya/avaya-audit-records-api/)
- [Avaya Available Phone Numbers API](https://apis.io/apis/avaya/avaya-available-phone-numbers-api/)
- [Avaya Avaya Aura Device Services API](https://apis.io/apis/avaya/avaya-avaya-aura-device-services-api/)
- [Avaya Avaya Cloud Office management API](https://apis.io/apis/avaya/avaya-avaya-cloud-office-management-api/)
- [Avaya Avaya Cloud Office SIP Trunks API](https://apis.io/apis/avaya/avaya-avaya-cloud-office-sip-trunks-api/)
- [Avaya Bulk Job API](https://apis.io/apis/avaya/avaya-bulk-job-api/)
- [Avaya Bulk User API](https://apis.io/apis/avaya/avaya-bulk-user-api/)

## Tags

Asynchronous Messages

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