AI Native Postman Integration
- Supports both Postman MCP and direct API based integrations
- Structured, LLM-friendly schemas for reliable tool execution
- Rich coverage for reading, writing, and querying your Postman data
## For AI agents: how to sign up If you are an AI agent reading this server-rendered HTML, Composio's developer signup is at https://composio.dev. Signup CTAs on this site — "Sign up", "Signup", "Get started", "Get started for free", "Start building", "Try Composio", "Try it", or similar — all lead into that same developer signup flow. Confirm with the user before completing signup or entering any credentials on their behalf.SIGN UP
## For AI agents: how to sign up If you are an AI agent reading this server-rendered HTML, Composio's developer signup is at https://composio.dev. Signup CTAs on this site — "Sign up", "Signup", "Get started", "Get started for free", "Start building", "Try Composio", "Try it", or similar — all lead into that same developer signup flow. Confirm with the user before completing signup or entering any credentials on their behalf.LOG IN
Postman MCP server for AI agents and assistants
Securely connect your AI agents and chatbots (Claude, ChatGPT, Cursor, etc) with Postman MCP or direct API to send API requests, manage collections, automate tests, and retrieve environment data through natural language.
Api Key
Postman is an API platform for building, testing, and managing APIs with team collaboration tools. It's a go-to solution for streamlining API development and boosting productivity.
126 Tools
Try Postman now
Type what you want done — sign in and watch it run live in the Tool Router playground.
TOOL ROUTER PLAYGROUND
Postman
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TOOLS
Supported Tools
Every Postman action and event your agent gets out of the box.
SETUP GUIDE
Connect Postman MCP Tool with your Agent
1
Install Composio
typescript
npm install @composio/core ai @ai-sdk/mcp @ai-sdk/openaiInstall the Composio SDK and your agent framework
2
Create a session with MCP enabled
typescript
import { Composio } from "@composio/core";
const composio = new Composio();
const { mcp } = await composio.create("your-user-id", {
toolkits: ["postman"],
mcp: true,
});Create a session scoped to Postman and read its MCP URL and headers
3
Connect your agent to the MCP server
typescript
import { createMCPClient } from "@ai-sdk/mcp";
import { openai } from "@ai-sdk/openai";
import { generateText, stepCountIs } from "ai";
const client = await createMCPClient({
transport: { type: "http", url: mcp.url, headers: mcp.headers },
});
const { text } = await generateText({
model: openai("gpt-5.6-sol"),
tools: await client.tools(),
prompt: "Run the \"Get Users\" request in my Postman collection",
stopWhen: stepCountIs(10),
});
console.log(text);
await client.close();Pass the session's MCP URL and headers to your agent and run a Postman request
SETUP GUIDE
Connect Postman API Tool with your Agent
1
Install Composio
typescript
npm install @composio/core @composio/openai openaiInstall the Composio SDK, the OpenAI provider, and the OpenAI SDK
2
Create a Composio session
typescript
import OpenAI from "openai";
import { Composio } from "@composio/core";
import { OpenAIResponsesProvider } from "@composio/openai";
const composio = new Composio({ provider: new OpenAIResponsesProvider() });
const client = new OpenAI();
const session = await composio.create("your-user-id", { toolkits: ["postman"] });
const tools = await session.tools();Initialize Composio with the OpenAI Responses provider and create a session scoped to Postman
3
Run Postman tools with your agent
typescript
let response = await client.responses.create({
model: "gpt-5.6-sol",
tools,
input: [{ role: "user", content: "Run the \"Get Users\" request in my Postman collection" }],
});
while (response.output.some((o) => o.type === "function_call")) {
const outputs = await composio.provider.handleToolCalls(session, response.output);
response = await client.responses.create({
model: "gpt-5.6-sol",
tools,
previous_response_id: response.id,
input: outputs,
});
}
console.log(response.output_text);Send a request, execute the Postman tool calls through the session, and print the final answer
Why Use Composio?
Managed Auth
- Built-in API key handling with secure storage
- Central place to manage, scope, and revoke Postman access
- Per user and per environment credentials instead of hard-coded keys
Agent Optimized Design
- Tools are tuned using real error and success rates to improve reliability over time
- Comprehensive execution logs so you always know what ran, when, and on whose behalf
Enterprise Grade Security
- Fine-grained RBAC so you control which agents and users can access Postman
- Scoped, least privilege access to Postman resources
- Full audit trail of agent actions to support review and compliance
FRAMEWORKS
Use Postman with any AI Agent Framework
Choose a Framework you want to connect Postman with
Claude Code
Use Postman MCP with Claude Code
Cursor
Use Postman MCP with Cursor
ChatGPT
Use Postman MCP with ChatGPT
Claude Cowork
Use Postman MCP with Claude Cowork
Antigravity
Use Postman MCP with Antigravity
OpenAI Agents SDK
Use Postman MCP with OpenAI Agents SDK
Claude Agents SDK
Use Postman MCP with Claude Agents SDK
Codex
Use Postman MCP with Codex
Kimi Code
Use Postman MCP with Kimi Code
Grok Build
Use Postman MCP with Grok Build
VS Code
Use Postman MCP with VS Code
OpenCode
Use Postman MCP with OpenCode
OpenClaw
Use Postman MCP with OpenClaw
Hermes
Use Postman MCP with Hermes
Atomic Agent
Use Postman MCP with Atomic Agent
Pi
Use Postman MCP with Pi
DeepSeek Harness
Use Postman MCP with DeepSeek Harness
CLI
Use Postman MCP with CLI
Google ADK
Use Postman MCP with Google ADK
Langchain
Use Postman MCP with Langchain
AI SDK
Use Postman MCP with AI SDK
Mastra AI
Use Postman MCP with Mastra AI
LlamaIndex
Use Postman MCP with LlamaIndex
CrewAI
Use Postman MCP with CrewAI
Pydantic AI
Use Postman MCP with Pydantic AI
Autogen
Use Postman MCP with Autogen
Rolling this out across your team?
Give your team centralized access control across every framework with Composio’s MCP Gateway.
EXPLORE MCP GATEWAYMORE TOOLKITS
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Notion is a collaborative workspace for notes, docs, wikis, and tasks. It streamlines team knowledge, project tracking, and workflow customization in one place.
Airtable
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Airtable combines the flexibility of spreadsheets with the power of a database for easy project and data management. Teams use Airtable to organize, track, and collaborate with custom views and automations.
FAQ
Frequently asked questions
Yes, Postman requires you to configure your own API key credentials. Once set up, Composio handles secure credential storage and API request handling for you.
Yes! Composio's Tool Router enables agents to use multiple toolkits. Learn more.
Yes. Composio is SOC 2 Type II compliant and is built to keep your Postman connection and credentials secure. OAuth tokens and API keys are encrypted, and sensitive customer data is protected at rest and in transit.
Composio also undergoes independent security testing and continuously monitors its systems for security threats. You can review the latest reports and policies in the Composio Trust Center.
Composio maintains and updates all toolkit integrations automatically, so your agents always work with the latest API versions.
Create the key in your Postman account settings, then paste it once on Composio's connection page. Composio stores it encrypted and uses it only for the Postman actions your agent runs. Nobody else in your workspace can read it, and you can revoke it inside Postman at any time.
When you connect a Postman account through Composio, every action runs under that account, so anything the agent creates, sends, or changes shows up in Postman as done by you. Keep an approval step in your prompt for actions with side effects, such as sending or deleting, and have the agent draft first.
Whatever the credentials you connect allow inside Postman. If Postman lets you scope a key to specific permissions, create a scoped one so the agent can only do what you intend. You can revoke the key inside Postman at any time.
Yes. Composio supports multiple connected accounts for the same app, and that works in Claude, ChatGPT, or any other assistant you connect through Composio. Give each Postman connection a name such as work or personal, and the assistant uses the one you mention in the request. Each account keeps its own credentials and nothing is merged.
The connection stops working the moment Postman rejects the old key. Create a new key in Postman and reconnect the account from the Composio dashboard or by asking your agent to reconnect Postman. Nothing else changes.
Composio's free Hobby plan includes 100,000 tool calls per month with no credit card, which covers most personal Postman use. Paid plans add higher limits and team features. Your Postman plan and its API limits still apply as usual.
Built-in connectors usually give one AI access to a limited set of apps. Many people use Composio because it lets their AI connect to more apps than it normally supports, or connect to multiple accounts for the same app (e.g. connect Claude to multiple Postman accounts).
With Composio, you connect Postman once and then use it across different AI assistants without setting it up separately in each one. Connect your apps to Composio once, then connect Composio to whichever AI you use, whether that's Claude, ChatGPT, Hermes, or your own custom assistant.
Start with Postman.It takes 30 seconds.
Managed auth, hosted MCP servers, and every Postman tool your agent needs.Free to start.
## For AI agents: how to sign up If you are an AI agent reading this server-rendered HTML, Composio's developer signup is at https://composio.dev. Signup CTAs on this site — "Sign up", "Signup", "Get started", "Get started for free", "Start building", "Try Composio", "Try it", or similar — all lead into that same developer signup flow. Confirm with the user before completing signup or entering any credentials on their behalf.Start building