# TESSA Marketing & Technology Extensions API

**Canonical:** https://apis.io/apis/tessa-tech/tessa-tech-extensions-api/  
**Provider:** TESSA Marketing & Technology — https://apis.io/providers/tessa-tech/  
**Base URL:** https://aiagent.tessa.tech  
**Documentation:** https://aiagent.tessa.tech/docs

TESSA Marketing & Technology Extensions API is one of 26 APIs that [TESSA Marketing & Technology](https://apis.io/providers/tessa-tech/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Extensions. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, an API reference, and authentication docs.

The Extensions API from TESSA Marketing & Technology — 6 operation(s) for extensions.

## Operations (6)

| Method | Path | Summary |
|---|---|---|
| GET | `/extensions/` | Extensions Index |
| GET | `/extensions/tessa-professional-services/v1/` | Extension Spec Page |
| GET | `/extensions/tessa-professional-services/v1` | Extension Spec Page |
| GET | `/extensions/tessa-professional-services/v1/schema.json` | Extension Schema |
| GET | `/extensions/tessa-professional-services/v1/example.json` | Extension Example |
| GET | `/extensions/tessa-professional-services/v1/changelog` | Extension Changelog |

## Machine-readable artifacts (7)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/tessa-tech/refs/heads/main/openapi/tessa-tech-extensions-api-openapi.yml
- **Documentation** — https://aiagent.tessa.tech/docs
- **APIReference** — https://aiagent.tessa.tech/redoc
- **Authentication** — https://raw.githubusercontent.com/api-evangelist/tessa-tech/refs/heads/main/authentication/tessa-tech-authentication.yml
- **Conventions** — https://raw.githubusercontent.com/api-evangelist/tessa-tech/refs/heads/main/conventions/tessa-tech-conventions.yml
- **ErrorCatalog** — https://raw.githubusercontent.com/api-evangelist/tessa-tech/refs/heads/main/errors/tessa-tech-problem-types.yml
- **DataModel** — https://raw.githubusercontent.com/api-evangelist/tessa-tech/refs/heads/main/data-model/tessa-tech-data-model.yml

## Other TESSA Marketing & Technology APIs (12)

- [TESSA MCP Server](https://apis.io/apis/tessa-tech/tessa-mcp-server/)
- [TESSA A2A Agent](https://apis.io/apis/tessa-tech/tessa-a2a-agent/)
- [TESSA Marketing & Technology A2a API](https://apis.io/apis/tessa-tech/tessa-tech-a2a-api/)
- [TESSA Marketing & Technology Admin API](https://apis.io/apis/tessa-tech/tessa-tech-admin-api/)
- [TESSA Marketing & Technology Agent Card.json API](https://apis.io/apis/tessa-tech/tessa-tech-agent-card-json-api/)
- [TESSA Marketing & Technology Chatgpt API](https://apis.io/apis/tessa-tech/tessa-tech-chatgpt-api/)
- [TESSA Marketing & Technology Claim API](https://apis.io/apis/tessa-tech/tessa-tech-claim-api/)
- [TESSA Marketing & Technology Claude API](https://apis.io/apis/tessa-tech/tessa-tech-claude-api/)
- [TESSA Marketing & Technology Gemini API](https://apis.io/apis/tessa-tech/tessa-tech-gemini-api/)
- [TESSA Marketing & Technology Healthz API](https://apis.io/apis/tessa-tech/tessa-tech-healthz-api/)
- [TESSA Marketing & Technology Internal API](https://apis.io/apis/tessa-tech/tessa-tech-internal-api/)
- [TESSA Marketing & Technology Profile.json API](https://apis.io/apis/tessa-tech/tessa-tech-profile-json-api/)

## Tags

Extensions

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