Hypestack - Real-Time Company and People Data

The API That Fuels Product Growth.

New user account enrichment

Enrich product signups in real-time to automatically pull company and people data—perfect for custom onboarding flows and scoring logic.

Trigger-based lifecycle messages

Use signals to trigger lifecycle messages—like funding announcements, hiring spikes, or exec changes.

Product-specific handoff signals

Detect high-intent signals from new users and pipe them directly to your sales stack, enabling scoring and enrichment for PQL-driven handoff flows.

Fuel AI products with enriched data

Get real-time company and people data to enhance LLM context, fine-tune models, and power AI agents to make smarter decisions.

Signal-based outbound lead gen

Query live company signals to generate dynamic lead lists —filter by funding, team growth, tech stack, and more—to build outbound pipelines.

Real-time ICP scoring and routing

Score leads using company data and route them based on fit—directly into your internal systems, pipelines, or sales ops workflows.

More Than Just Data - Signals, Context, and Action.

Developer & AI Friendly

RESTful API, fast response times, and webhook support for real-time workflows.

Custom Signal Engine

Get alerts for events you care about - like new hires, funding rounds, and trends.

Powerful Data Enrichment

Get rich context for new users, leads and more to fuel your sales process.

Anomaly & Trends

Spot sudden changes in company behavior or news that your team can capitalize on.

Works With Your Stack.

Our API plays well with every tech stack—from Python scripts to Node.js backends, AI pipelines to marketing automation. RESTful, predictable, and ready for your tools.

Power Your AI Agents.

Request

curl -X POST https://api.hypestack.com/v1/enrich/company \
  -H "Authorization: Bearer $API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "filters": {
      "domain": "linear.app"
    },
    "fields": ["industry", "employee_count", "funding_stage"]
  }'

Response

{
  "company_name": "Linear",
  "industry": "Software",
  "employee_count": 85,
  "funding_stage": "Series B"
}

Request

curl -X POST https://api.hypestack.com/v1/people/search \
  -H "Authorization: Bearer $API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "filters": {
      "job_title": "Head of Engineering",
      "location": "San Francisco",
      "company_employee_count": { "gte": 100 }
    },
    "sort_by": "linkedin_followers",
    "sort_order": "desc",
    "count": 10,
    "offset": 0
  }'

Response

{
  "results": [
    {
      "name": "Emily Zhao",
      "email": "emily@devstack.com",
      "company": "DevStack",
      "title": "Head of Engineering",
      "linkedin_followers": 2300
    }
  ],
  "total": 46
}

Request

curl -X POST https://api.hypestack.com/v1/updates/feed \
  -H "Authorization: Bearer $API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "filters": {
      "update_type": "funding",
      "tag": "AI",
      "date_range": {
        "start": "2025-04-01",
        "end": "2025-05-01"
      }
    },
    "count": 5
  }'

Response

{
  "updates": [
    {
      "company": "ModelForge",
      "event": "Series A funding",
      "amount": "$12M",
      "tag": "AI",
      "date": "2025-04-27"
    }
  ]
}

Request

curl -X POST https://api.hypestack.com/v1/signals/company \
  -H "Authorization: Bearer $API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "filters": {
      "domain": "synthlabs.io"
    },
    "triggers": [
      { "signal": "exec_departure" },
      { "signal": "headcount_drop", "threshold_pct": 10 }
    ]
  }'

Response

{
  "alert_id": "alert_12345",
  "status": "active",
  "company": "SynthLabs"
}

Request

curl -X POST https://api.hypestack.com/v1/predict/job_changes \
  -H "Authorization: Bearer $API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "filters": {
      "industry": "Cybersecurity",
      "location": "Remote"
    },
    "sort_by": "job_change_likelihood",
    "sort_order": "desc",
    "count": 5
  }'

Response

{
  "predictions": [
    {
      "name": "Jules Khan",
      "title": "Security Architect",
      "company": "SafeLayer",
      "job_change_likelihood": 0.82
    }
  ]
}

Why Hypestack?

Spot High-Growth Accounts Early

Track signals like hiring or funding to find accounts ready to expand.

Personalize Based on Company Milestones

Trigger messages based on real-world events at your users’ companies.

Instant Context at Signup

Enrich every signup with company data to instantly spot high-value users.

The Next-Gen Sales Process.

Hypestack AI monitors all your data in real-time to and lets you know who, when, why, and how to make your next sale.

Personalized insight to help you succeed

Forget spending time parsing through your data. Every signal is tailored to streamline your process.

Hypestack helps connects the dots

We'll tell you when, how and why - you just need to do what you do best.

Plug-and-play into your workflow

Built to be intergrated into your existing workflow so you don't need to bounce around from tool-to-tool

Supercharge Your Product With Data.

Get Early Access

Real-time company and people data

The API That Fuels Product Growth.

More Than Just Data - Signals, Context, and Action.

Works With Your Stack.

Power Your AI Agents.

Why Hypestack?

The Next-Gen Sales Process.

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