---
title: "Handle Agent Jsonrpc"
method: POST
path: "/v1/agents/{agent_id}/a2a/rpc"
tags: ["v1", "protected"]
---

# Handle Agent Jsonrpc

`POST /v1/agents/{agent_id}/a2a/rpc`

Handle A2A JSON-RPC requests with comprehensive error handling and validation.

## Path parameters

- `agent_id` string, uuid, required

## Response `200`

Successful Response

- unknown

## Other responses

- `422` — Validation Error

## Changes

- **2026-06-18** `dad98bb65260` — 1 breaking, 4 warning
  - the response's body type/format changed from `object`/`` to ``/`` for status `200`
  - removed the optional property `error` from the response with the `200` status
  - removed the optional property `id` from the response with the `200` status
  - removed the optional property `jsonrpc` from the response with the `200` status
  - …1 more
- **2026-03-30** `e9c153221160` — 1 breaking, 4 info
  - the response's body type/format changed from ``/`` to `object`/`` for status `200`
  - added the optional property `error` to the response with the `200` status
  - added the optional property `id` to the response with the `200` status
  - added the optional property `jsonrpc` to the response with the `200` status
  - …1 more

[Change history](https://skmtc.dev/agentarea/apis/agentarea-api/changes/v1/agents/:agent_id/a2a/rpc/post.md)

---

[API](https://skmtc.dev/agentarea/apis/agentarea-api.md) · [All operations](https://skmtc.dev/agentarea/apis/agentarea-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/agentarea/agentarea-api/revisions/42240c74704e/schema)