Blitz API MCP for AI Agents

Securely connect your AI agents and chatbots (Claude, ChatGPT, Cursor, etc) with Blitz API MCP or direct API to search people, enrich contacts, lookup companies, and find job openings through natural language.

Blitz API logoBlitz API
Api Key

Blitz API is a people, company, and job search API with contact and company enrichment. Use it to enrich leads and accelerate sales outreach with accurate contact and firmographic data.

15 Tools

Try Blitz API now

Type what you want done — sign in and watch it run live in the Tool Router playground.

TOOL ROUTER PLAYGROUND
Blitz API
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TOOLS

Supported Tools

Every Blitz API action and event your agent gets out of the box.

Enrich Company

Retrieve a full company profile from an exact LinkedIn company page URL.

Find Companies Hiring

Find distinct companies hiring for matching jobs and return each company's matched-job count.

Find Work Email

Retrieve a verified work email for a person identified by LinkedIn profile URL.

Get API Key Details

Validate the connected BlitzAPI key and return its record balance, per-endpoint rate limit, allowed API routes, and active plans.

Get Changelog

Return recent public BlitzAPI changelog entries newest first, optionally limited by age and count.

Get Company Employee Distribution

Return a company's employee counts and percentages grouped by country or department; each call consumes record credits.

List Company Employees

Browse employees at one exact LinkedIn company using location, seniority, department, and connection-count filters.

Resolve Domain to LinkedIn Company

Resolve a website domain or URL to its primary LinkedIn company page and possible alternatives.

Resolve LinkedIn Company to Domain

Resolve a LinkedIn company page URL to its canonical email domain.

Resolve Person

Resolve a verified work email or US phone number in E.

Search Companies

Search companies by firmographics, funding, traffic, keywords, and headquarters criteria; returns one metered page and an opaque continuation cursor.

Search Company Jobs

List live job postings for one exact LinkedIn company, optionally filtered by job attributes; return one metered page with a continuation cursor.

Search Jobs

Search live job postings by role, description, semantic keywords, recency, location, and company criteria; return one metered page with a continuation cursor.

Search People

Search professional profiles across one or more companies using person, role, location, education, and firmographic filters.

Waterfall ICP Search

Find and rank decision-makers at one company using an ordered cascade of title and location rules; successful results consume record credits.

SETUP GUIDE

Connect Blitz API MCP Tool with your Agent

1

Install Composio

typescript
npm install @composio/core ai @ai-sdk/openai @ai-sdk/mcp
Install the Composio SDK for Python or TypeScript
2

Initialize Client and Create Tool Router Session

typescript
import { Composio } from '@composio/core';

const composio = new Composio({ apiKey: 'your-api-key' });
const session = await composio.create('your-user-id');
console.log(`Tool Router session created: ${session.mcp.url}`);
Import and initialize the Composio client, then create a Tool Router session for Blitz API
3

Connect to AI Agent

typescript
import { openai } from '@ai-sdk/openai';
import { experimental_createMCPClient as createMCPClient } from '@ai-sdk/mcp';
import { generateText } from 'ai';

const client = await createMCPClient({
  transport: {
    type: 'http',
    url: session.mcp.url,
    headers: {
      'x-api-key': 'your-composio-api-key',
    },
  },
});

const tools = await client.tools();
const { text } = await generateText({
  model: openai('gpt-4o'),
  tools,
  messages: [{
    role: 'user',
    content: 'YOUR_SPECIFIC_PROMPT_HERE'
  }],
  maxSteps: 5,
});

console.log(`Agent: ${text}`);
Use the MCP server with your AI agent (Anthropic Claude or Mastra)
SETUP GUIDE

Connect Blitz API API Tool with your Agent

1

Install Composio

typescript
npm install @composio/openai
Install the Composio SDK
2

Initialize Composio and Create Tool Router Session

typescript
import OpenAI from 'openai';
import { Composio } from '@composio/core';
import { OpenAIResponsesProvider } from '@composio/openai';

const composio = new Composio({
  provider: new OpenAIResponsesProvider(),
});
const openai = new OpenAI({});
const session = await composio.create('your-user-id');
Import and initialize Composio client, then create a Tool Router session
3

Execute Blitz API Tools via Tool Router with Your Agent

typescript
const tools = session.tools;
const response = await openai.responses.create({
  model: 'gpt-4.1',
  tools: tools,
  input: [{
    role: 'user',
    content: 'YOUR_SPECIFIC_PROMPT_HERE'
  }],
});
const result = await composio.provider.handleToolCalls(
  'your-user-id',
  response.output
);
console.log(result);
Get tools from Tool Router session and execute Blitz API actions with your Agent

Why Use Composio?

AI Native Blitz API Integration

  • Supports both Blitz API MCP and direct API based integrations
  • Structured, LLM-friendly schemas for reliable tool execution
  • Rich coverage for reading, writing, and querying your Blitz API data

Managed Auth

  • Built-in OAuth handling with automatic token refresh and rotation
  • Central place to manage, scope, and revoke Blitz API 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 Blitz API
  • Scoped, least privilege access to Blitz API resources
  • Full audit trail of agent actions to support review and compliance
FRAMEWORKS

Use Blitz API with any AI Agent Framework

Choose a Framework you want to connect Blitz API with

FAQ

Frequently asked questions

Yes, Blitz API 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.

Composio is SOC 2 and ISO 27001 compliant with all data encrypted in transit and at rest. Learn more.

Composio maintains and updates all toolkit integrations automatically, so your agents always work with the latest API versions.

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Managed auth, hosted MCP servers, and every Blitz API tool your agent needs.Free to start.

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