---
title: "Send A2A task"
method: POST
path: "/api/agent_builder/a2a/{agentId}"
tags: ["agent builder"]
---

# Send A2A task

`POST /api/agent_builder/a2a/{agentId}`

**Spaces method and path for this operation:**

<div><span class="operation-verb post">post</span>&nbsp;<span class="operation-path">/s/{space_id}/api/agent_builder/a2a/{agentId}</span></div>

Refer to [Spaces](https://www.elastic.co/docs/deploy-manage/manage-spaces) for more information.

> warn
> This endpoint is designed for A2A protocol clients and should not be used directly via REST APIs. Use an A2A SDK or A2A Inspector instead.
To learn more about the Agent Builder A2A server, refer to the [A2A server documentation](https://www.elastic.co/docs/explore-analyze/ai-features/agent-builder/a2a-server).<br/><br/>[Required authorization] Route required privileges: agentBuilder:read.

## Path parameters

- `agentId` string, required

## Request body

- unknown

## Response `200`

Indicates a successful response

---

[API](https://skmtc.net/elastic/apis/kibana-apis.md) · [All operations](https://skmtc.net/elastic/apis/kibana-apis/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/elastic/kibana-apis/versions/531c9e2a7d23/schema)