How do I generate an API Key for Heymarket?

Log in to your Heymarket account, navigate to **Administration** > **Integrations** > **API**, and click **Create Key** to generate your unique identifier.

Can the agent send images or media via SMS (MMS)?

Yes! If you provide a public media URL in the message tool, Heymarket will automatically deliver it as an MMS to the recipient.

How do I find the correct Member ID to send messages from?

Use the `list_team_members` tool. It will return all staff members in your workspace along with their unique `id`, which you can then use as the sender.

INSTANT PLUG AND PLAY

Heymarket MCP Server for OpenAI Agents SDKGive OpenAI Agents SDK instant access to 9 tools to Create Contact, Get Chat History, Get Message Details, and more

Name: Heymarket
Availability: InStock
Author: Vinkius

Built by Vinkius GDPR 9 Tools SDK

The OpenAI Agents SDK enables production-grade agent workflows in Python. Connect Heymarket through Vinkius and your agents gain typed, auto-discovered tools with built-in guardrails. no manual schema definitions required.

Use with Your AI Agent

Ask AI about this App Connector for OpenAI Agents SDK

Open in ChatGPT Open in Claude Open in Perplexity

The Heymarket app connector for OpenAI Agents SDK is a standout in the Communication Messaging category — giving your AI agent 9 tools to work with, ready to go from day one.

Vinkius delivers Streamable HTTP and SSE to any MCP client

python

import asyncio
from agents import Agent, Runner
from agents.mcp import MCPServerStreamableHttp

async def main():
    # Your Vinkius token. get it at cloud.vinkius.com
    async with MCPServerStreamableHttp(
        url="https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    ) as mcp_server:

        agent = Agent(
            name="Heymarket Assistant",
            instructions=(
                "You help users interact with Heymarket. "
                "You have access to 9 tools."
            ),
            mcp_servers=[mcp_server],
        )

        result = await Runner.run(
            agent, "List all available tools from Heymarket"
        )
        print(result.final_output)

asyncio.run(main())

Fully ManagedVinkius Servers

60%Token savings

High SecurityEnterprise-grade

IAMAccess control

EU AI ActCompliant

DLPData protection

V8 IsolateSandboxed

Ed25519Audit chain

<40msKill switch

Stream every event to Splunk, Datadog, or your own webhook in real-time

* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure

About Heymarket MCP Server

Connect your Heymarket account to any AI agent and take full control of your business text messaging and SMS workflows through natural conversation.

The OpenAI Agents SDK auto-discovers all 9 tools from Heymarket through native MCP integration. Build agents with built-in guardrails, tracing, and handoff patterns. chain multiple agents where one queries Heymarket, another analyzes results, and a third generates reports, all orchestrated through Vinkius.

What you can do

SMS Orchestration — Send and receive text messages programmatically across your business numbers
Shared Inbox Management — Monitor active chat threads and manage team-based conversations in real-time
Contact Relationships — Create and update detailed contact profiles to maintain a high-fidelity customer database
Team Collaboration — Retrieve staff member directories and manage assignments for inbound message routing
Message Monitoring — Track outbound message delivery status and retrieve complete conversation histories for audit

The Heymarket MCP Server exposes 9 tools through the Vinkius. Connect it to OpenAI Agents SDK in under two minutes — no API keys to rotate, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.

All 9 Heymarket tools available for OpenAI Agents SDK

When OpenAI Agents SDK connects to Heymarket through Vinkius, your AI agent gets direct access to every tool listed below — spanning business-sms, mms-messaging, shared-inbox, and more. Every call is secured with network, filesystem, subprocess, and code evaluation entitlements inside a sandboxed runtime. Beyond a simple connection, you get a full AI Gateway with real-time visibility into agent activity, enterprise governance, and optimized token usage.

create_contact

get_chat_history

Get conversation history

get_message_details

Get details for a message

list_active_chats

List active conversations

list_contacts

Supports filtering by phone number. List Heymarket contacts

list_team_members

List Heymarket workspace members

send_sms_message

Requires member_id and to_number. Send an SMS or MMS message

update_chat_status

Modify chat state or assignment

update_contact_profile

Modify an existing contact

Connect Heymarket to OpenAI Agents SDK via MCP

Follow these steps to wire Heymarket into OpenAI Agents SDK. The entire setup takes under two minutes — your credentials stay safe behind the Vinkius.

Install the SDK

Run pip install openai-agents in your Python environment

Replace the token

Replace [YOUR_TOKEN_HERE] with your Vinkius token from cloud.vinkius.com

Run the script

Save the code above and run it: python agent.py

Explore tools

The agent will automatically discover 9 tools from Heymarket

Why Use OpenAI Agents SDK with the Heymarket MCP Server

OpenAI Agents SDK provides unique advantages when paired with Heymarket through the Model Context Protocol.

Native MCP integration via `MCPServerSse`, pass the URL and the SDK auto-discovers all tools with full type safety

Built-in guardrails, tracing, and handoff patterns let you build production-grade agents without reinventing safety infrastructure

Lightweight and composable: chain multiple agents and MCP servers in a single pipeline with minimal boilerplate

First-party OpenAI support ensures optimal compatibility with GPT models for tool calling and structured output

Heymarket + OpenAI Agents SDK Use Cases

Practical scenarios where OpenAI Agents SDK combined with the Heymarket MCP Server delivers measurable value.

Automated workflows: build agents that query Heymarket, process the data, and trigger follow-up actions autonomously

Multi-agent orchestration: create specialist agents. one queries Heymarket, another analyzes results, a third generates reports

Data enrichment pipelines: stream data through Heymarket tools and transform it with OpenAI models in a single async loop

Customer support bots: agents query Heymarket to resolve tickets, look up records, and update statuses without human intervention

Example Prompts for Heymarket in OpenAI Agents SDK

Ready-to-use prompts you can give your OpenAI Agents SDK agent to start working with Heymarket immediately.

"Send an SMS 'Your order is ready!' to '+15551234567' using member 'M123'."

"List all active chat conversations from the shared inbox."

"Update contact 'C456' with first name 'John' and add a note."

Troubleshooting Heymarket MCP Server with OpenAI Agents SDK

Common issues when connecting Heymarket to OpenAI Agents SDK through the Vinkius, and how to resolve them.

MCPServerStreamableHttp not found

Ensure you have the latest version: pip install --upgrade openai-agents

Agent not calling tools

Make sure your prompt explicitly references the task the tools can help with.

Heymarket + OpenAI Agents SDK FAQ

Common questions about integrating Heymarket MCP Server with OpenAI Agents SDK.

How does the OpenAI Agents SDK connect to MCP?

Use MCPServerSse(url=...) to create a server connection. The SDK auto-discovers all tools and makes them available to your agent with full type information.

Can I use multiple MCP servers in one agent?

Yes. Pass a list of MCPServerSse instances to the agent constructor. The agent can use tools from all connected servers within a single run.

Does the SDK support streaming responses?

Yes. The SDK supports SSE and Streamable HTTP transports, both of which work natively with Vinkius.