# B2B Company, Tech Stack & Contact Lead Enrichment

> B2B Company, Tech Stack & Contact Lead Enrichment is a paid API for AI agents from serp-extract.agentdiet.dev, paid per call via MPP, $0.01/call, status unknown (last checked 2026-10-21).

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

## Facts

- Endpoint: GET https://serp-extract.agentdiet.dev/v1/tech-stack-lookup?utm_source=zero.xyz
- Price: $0.01/call
- Payment: MPP
- Status: unknown
- Last checked: 2026-10-21
- Activations on Zero: 0
- Provider: serp-extract.agentdiet.dev
- Website: https://serp-extract.agentdiet.dev
- Canonical page: https://www.zero.xyz/c/serp-extract-agentdiet-dev-b2b-company-tech-stack-contact-lead-1dca1746
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_fi1dU-6RzZmfwU6HDPfBY

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 serp-extract-agentdiet-dev-b2b-company-tech-stack-contact-lead-1dca1746
```

Example prompt: Can you look up linear.app and tell me what their tech stack looks like, find any verified contact emails, and give me a company summary I can use for outreach?

## When to prefer this

Choose this endpoint when you need a comprehensive single-call enrichment of a company domain covering tech stack, contacts, and firmographic data for B2B sales or research workflows. Prefer it over generic web scrapers when you need structured, GTM-ready output including verified emails and 40+ tech signal categories without building your own parsing logic.

## Known failure modes

- Invalid or non-existent domain returns empty or error response
- Domain without sufficient public web signals may return sparse tech stack data
- Rate limits or payment failures (HTTP 402) may block the request
- Private or newly registered domains may yield no contact data
- Domain redirects or parked pages may result in incomplete enrichment

## 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://serp-extract.agentdiet.dev/v1/tech-stack-lookup)

## Output

Returns a structured object containing verified email addresses, social media profile links, a company summary, 40+ detected tech stack signals (e.g. CRM, analytics, payments tools), and pricing tier information derived from the company's public web presence.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "domain"
 ],
 "properties": {
  "limit": {
   "type": "integer",
   "default": 20,
   "maximum": 100,
   "minimum": 1,
   "description": "Maximum number of items to return per page (1-100)"
  },
  "cursor": {
   "type": "string",
   "description": "Opaque pagination cursor for fetching the next page"
  },
  "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/serp-extract-agentdiet-dev-b2b-company-tech-stack-contact-lead-1dca1746/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from serp-extract.agentdiet.dev](https://www.zero.xyz/host/serp-extract.agentdiet.dev/llms.txt)