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Autobound

Autobound is B2B signal data infrastructure. One Signal API returns 700+ signals across 35 signal types for companies and 270M+ contacts: news, SEC filings, hiring, job changes, funding, buyer intent and more. Delivery: REST API, MCP server, GCS push and flat files.

For agents: B2B signal data API with 700+ signals across 35 types for companies and 270M+ contacts; offers REST API, MCP server, GCS push, and flat files plus free data hub

b2b signalsbuyer intentcompany data apisales intelligencemcp servercontact data

Their llms.txt

The beginning of the file, from our validated copy saved 2026-10-20T16:36:03.009Z. Cached copy · Source on autobound.ai

# Autobound

> Autobound is B2B signal data infrastructure. One Signal API returns 700+ signals across 35 signal types for companies and 270M+ contacts: news, SEC filings, hiring, job changes, funding, buyer intent and more. Delivery: REST API, MCP server, GCS push and flat files.

Autobound sells signal data. It is not an email writer and not a Chrome extension.

## Get data with the Signal API

- Base URL: https://signals.autobound.ai
- Auth: `X-API-KEY: <key>` header (or `Authorization: Bearer <key>`). Every /v1/ route needs a key. There is no anonymous endpoint.
- Free key: 1,000 free credits at signup: https://signalapi.autobound.ai/signup
- Search returns the last 50 days by default. Search `limit` is 1-100; enrich `limit` is 1-500.
- Rate limit: 300 requests per minute for each account.
- API reference: https://autobound-api.readme.io/reference

Endpoints:

- `POST /v1/companies/search`: companies with signals of the given types (2 credits per company returned). https://autobound-api.readme.io/reference/searchcompanies
- `POST /v1/contacts/search`: contacts with signals (2 credits per contact returned). https://autobound-api.readme.io/reference/searchcontacts
- `POST /v1/companies/enrich`: all signals for one company by domain, name or LinkedIn URL (2 credits per signal returned). https://autobound-api.readme.io/reference/enrichcompany
- `POST /v1/contacts/enrich`: all signals for one person by email or LinkedIn URL (2 credits per signal returned). https://autobound-api.readme.io/reference/enrichcontact
- `GET /v1/signals/types`: every signal type and subtype (free). https://autobound-api.readme.io/reference/listsignaltypes
- `GET /v1/signals/{signal_id}`: one signal (free). https://autobound-api.readme.io/reference/getsignalbyid
- `POST /v1/buyer-intent/companies`: companies with buyer intent for given topics (1 credit per company-topic row). https://autobound-api.readme.io/reference/searchbuyerintentcompanies
- `POST /v1/monitoring/add`: add companies or contacts to a monitoring pool (10 credits per new record). https://autobound-api.readme.io/reference/addtomonitoringpool
- `GET /v1/credits`: credit balance (free). https://autobound-api.readme.io/reference/getcredits

Example: all news signals for one company.

```bash
curl -X POST https://signals.autobound.ai/v1/companies/enrich \
  -H "X-API-KEY: YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"domain":"stripe.com","signal_types":["news"],"limit":10}'
```

Example: companies that announced job cuts (news subtype decreases_headcount_by).

```bash
curl -X POST https://signals.autobound.ai/v1/companies/search \
  -H "X-API-KEY: YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"signal_types":["news"],"signal_subtypes":["decreases_headcount_by"],"limit":10}'
```

## Use Autobound from an AI assistant (MCP)

- Remote MCP server: https://mcp.autobound.ai/mcp (Streamable HTTP).
- Claude (claude.ai, Desktop, mobile), ChatGPT, Cursor and Claude Code sign in with OAu
…

Related sites

Other listed sites in Data and analytics. See the whole category →

Machine-readable: GET /v1/resolve?q=autobound.ai · GET /v1/domain/autobound.ai · this page as Accept: application/json or text/markdown · MCP lookup_domain

Automatically discovered from public files. Inclusion does not imply endorsement or publisher participation.

Claim my listing on Agent Web Map for autobound.ai:
1. POST https://agentwebmap.com/v1/sites/autobound.ai/claims and keep claim_id and claim_secret private.
2. Publish the proof: add the line "AgentWebMap ownership: <token>" (token from step 1) to https://autobound.ai/llms.txt, or use the DNS, meta-tag or well-known method the response describes.
3. POST https://agentwebmap.com/v1/sites/autobound.ai/verify with {"claim_id": "...", "claim_secret": "..."}.
4. Save the api_key from the answer; it manages the listing (PATCH https://agentwebmap.com/v1/sites/autobound.ai).
MCP equivalent: tools begin_ownership_claim, then verify_domain, at https://agentwebmap.com/mcp. Docs: https://agentwebmap.com/docs#verify

Corrections or removal requests: contact the directory.