B2B Signal Data APIs
One API key, 700+ signals per company. Search companies and contacts by signal activity, enrich any domain or email, and tap buyer intent across 37K+ topics.
API Products
Each endpoint returns structured, AI-enriched signal data. Authenticate with a single X-API-KEY header.
Company Enrichment API
Pass a domain, get back every signal on file: financials, hiring trends, SEC filings, social activity, news, and more. One call, sub-200ms.
POST /v1/companies/enrichContact Enrichment API
Enrich a contact by email or LinkedIn URL with person-level signals: job changes, LinkedIn posts and comments, milestones, and speaking appearances.
POST /v1/contacts/enrichSignal Search API
Find companies or contacts by signal activity. Filter by signal type, date range, and content inside social posts: tech mentioned, competitors, pain points, initiatives.
POST /v1/companies/searchBuyer Intent API
Search 37K+ B2B intent topics, find companies and contacts showing purchase intent, pull per-company intent timelines, and run bulk exports.
POST /v1/buyer-intent/contactsEmail Verification
Pre-verified emails on every intent contact. Each contact returns an email_validation_status; pass the email_validated filter to receive only contacts with verified emails.
POST /v1/buyer-intent/contactsSEC Filing API
AI-parsed 10-K, 10-Q, and 8-K filings, structured, not raw EDGAR XML. Delivered as sec-* signal types through enrich and search.
POST /v1/companies/enrichHiring Data API
Hiring trends and velocity signals: job posting volume, department breakdowns, and momentum. Detect when companies are scaling or contracting.
POST /v1/companies/enrichPlatform scale
The data behind the APIs
0+
Signals per company
0M+
Companies
0M+
Contacts
<0
ms response (p95)
Quick Reference
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", "hiring-trends"],
"limit": 25
}'Zero-result requests are never charged. Credit usage is returned in response headers on every call.
Four ways to get the data
Same signals, delivered the way your stack consumes them.
REST API
Real-time search, enrich, and intent endpoints. Sub-200ms JSON responses.
GCS Push
Scheduled signal files delivered to a Google Cloud Storage bucket you can sync from.
Generate Insights API
Signals distilled into ready-to-use insights for personalized outreach.
Flat File
Bulk exports for evaluation, backfills, and warehouse loads.