# B2B Company, Tech Stack & Contact Lead Enrichment API

> B2B Company, Tech Stack & Contact Lead Enrichment API is a paid API for AI agents from x402-audit.agentdiet.dev, paid per call via MPP, $0.02/call, status unknown (last checked 2026-10-21).

Enriches a company domain with verified emails, social links, 40+ tech stack signals, pricing tiers, and a company summary for GTM and research use cases.

## Facts

- Endpoint: GET https://x402-audit.agentdiet.dev/v1/enterprise-firmographics-api?utm_source=zero.xyz
- Price: $0.02/call
- Payment: MPP
- Status: unknown
- Last checked: 2026-10-21
- Activations on Zero: 0
- Provider: x402-audit.agentdiet.dev
- Website: https://x402-audit.agentdiet.dev
- Canonical page: https://www.zero.xyz/c/x402-audit-agentdiet-dev-b2b-company-tech-stack-contact-lead-2c7270c5
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_a9HK4NlC06ioYXAR8E5Sx

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability x402-audit-agentdiet-dev-b2b-company-tech-stack-contact-lead-2c7270c5
```

Example prompt: Can you pull up the full company profile for notion.so — I need their verified contact emails, social links, tech stack, and pricing tiers for a sales research report?

## When to prefer this

Choose this endpoint when you need a broad, all-in-one B2B company enrichment covering contacts, tech stack, social presence, and pricing in a single call — especially useful for GTM agents, sales automation pipelines, or competitive research workflows where breadth of signal per domain matters more than deep specialization in any one category.

## Known failure modes

- Domain not found or invalid — returns empty or error object
- Domain exists but has no detectable tech stack — partial results returned
- Email verification fails for private/obscured domains
- Rate limit or payment authorization failure via x402 protocol
- Newly registered domains may return minimal firmographic data

## How this service works

Extracts verified emails, social links, 40+ tech stack signals, pricing tiers, and company summary for GTM & research agents. (Live x402 v2, IETF MPP & MCP endpoint at https://x402-audit.agentdiet.dev/v1/enterprise-firmographics-api)

## Output

Returns a structured object containing verified contact emails, social profile links, a curated list of 40+ detected tech stack signals, pricing tier details, and a company summary — all derived from the provided domain.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "domain"
 ],
 "properties": {
  "domain": {
   "type": "string",
   "minLength": 1,
   "description": "Company domain name or URL (e.g. stripe.com, linear.app) to enrich"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "object"
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/x402-audit-agentdiet-dev-b2b-company-tech-stack-contact-lead-2c7270c5/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from x402-audit.agentdiet.dev](https://www.zero.xyz/host/x402-audit.agentdiet.dev/llms.txt)