FundedSignals Developer API

v1.0

PRO-Exclusive, Read-Only programmatic access to live funding intelligence.

Pipe real-time funding rounds, company profiles, valuation benchmarks, and your saved market intelligence disruption models directly into your internal systems, CRM, Slack bots, or data pipelines.

Authentication & Security

All API requests must include a valid PRO API key. Authenticate by passing your key in either the X-API-KEY header or as a Bearer token in the Authorization header.

Option A: X-API-KEY Header (Recommended)

X-API-KEY: fs_live_abc1234567890abcdef12345

Option B: Bearer Authorization Header

Authorization: Bearer fs_live_abc1234567890abcdef12345

Strict Read-Only Enforcement: All generated PRO API keys are strictly read-only. Any attempt to send write requests (POST, PUT, DELETE) to V1 endpoints will be rejected with HTTP 405 Method Not Allowed.

API Reference

GET/api/v1/companies

Companies

Search, filter, and paginate all funded companies and complete funding round histories.

Parameters

Parameter	Type	Default	Description
limit	number	20	Number of companies to return (1 - 100).
page	number	1	Page number for pagination.
search	string	—	Keyword search across company names, summaries, and industries.
industry	string	—	Filter by exact industry (e.g. 'FinTech', 'AI/Machine Learning', 'SaaS').
stage	string	—	Filter by funding stage (e.g. 'Pre-Seed', 'Seed', 'Series A', 'Series B').
location	string	—	Filter by headquarters or region substring (e.g. 'San Francisco', 'Europe').
minAmount	number	—	Minimum total funding in USD (e.g. 5000000).
maxAmount	number	—	Maximum total funding in USD (e.g. 50000000).
sortBy	string	latestFundingDate	'latestFundingDate', 'fundingAmount', or 'name'.
sortOrder	string	desc	'desc' or 'asc'.

Example Response (JSON)

{
  "status": "success",
  "data": [
    {
      "id": "openai",
      "name": "OpenAI",
      "summary": "AI research and deployment company.",
      "fundingAmount": "$6,600,000,000",
      "totalFundingAmountUsd": 17900000000,
      "fundingStage": "Growth",
      "industry": "AI/Machine Learning",
      "headquarters": "San Francisco, CA",
      "website": "https://openai.com",
      "latestRoundDate": "2024-10-02T00:00:00.000Z",
      "fundingRounds": [
        {
          "date": "2024-10-02",
          "fundingAmount": "$6.6B",
          "fundingStage": "Growth",
          "investors": ["Thrive Capital", "Microsoft", "NVIDIA"]
        }
      ]
    }
  ],
  "pagination": {
    "total": 450,
    "page": 1,
    "limit": 20,
    "totalPages": 23,
    "hasNextPage": true,
    "hasPrevPage": false
  }
}

GET/api/v1/companies/{id}

Companies

Retrieve comprehensive intelligence and disruption signals for a single company by ID or slug.

Parameters

Parameter	Type	Default	Description
id	string (path)	required	The unique company document ID or lowercase name.

Example Response (JSON)

{
  "status": "success",
  "data": {
    "id": "design-arena",
    "name": "Design Arena",
    "summary": "AI model evaluation and enterprise arena tools.",
    "fundingAmount": "$7.9M",
    "totalFundingAmountUsd": 7900000,
    "fundingStage": "Seed",
    "industry": "AI/Machine Learning",
    "marketIntelligence": {
      "signals": [
        {
          "ticker": "AMZN",
          "publicCompanyName": "Amazon.com, Inc.",
          "relationship": "Strategic Partner",
          "signalSummary": "Amazon could integrate Design Arena into AWS Bedrock."
        }
      ]
    }
  }
}

GET/api/v1/signals

Funding Feed

Stream a live, reverse-chronological feed of funding rounds in JSON or CSV format.

Parameters

Parameter	Type	Default	Description
format	string	json	Output format: 'json' (default) or 'csv'.
limit	number	25	Number of signals (1 - 100).
stage	string	—	Filter by funding stage.
industry	string	—	Filter by industry.
minAmount	number	—	Minimum funding amount in USD.
maxAmount	number	—	Maximum funding amount in USD.

Example Response (JSON)

{
  "status": "success",
  "data": [
    {
      "id": "comp_123",
      "company": "Cognition AI",
      "amount": "$175.0M",
      "stage": "Series A",
      "date": "2024-04-24",
      "investors": ["Founders Fund"],
      "industry": "AI/Machine Learning",
      "location": "San Francisco, CA"
    }
  ],
  "meta": {
    "totalReturned": 1,
    "limit": 25,
    "version": "v1"
  }
}

GET/api/v1/me

Account

Retrieve your PRO account profile, subscription status, and real-time API rate limit details.

Example Response (JSON)

{
  "status": "success",
  "data": {
    "email": "[email protected]",
    "displayName": "Pro Investor",
    "tier": "PRO",
    "isAdmin": false,
    "subscriptionStatus": "active",
    "apiUsage": {
      "rateLimitPerMinute": 100,
      "isReadOnly": true,
      "permissions": ["read:companies", "read:funding", "read:signals", "read:account", "read:saved_disruptions"],
      "savedScenariosCount": 14
    }
  }
}

GET/api/v1/me/saved-disruptions

Market Intelligence

List all Market Intelligence disruption scenarios saved to your PRO account.

Parameters

Parameter	Type	Default	Description
ticker	string	—	Filter scenarios by target ticker (e.g. 'NVDA', 'AMZN').
preset	string	—	Filter by scenario preset ('BASE', 'BULL', 'BEAR', 'CUSTOM').
limit	number	50	Max scenarios to return (1 - 100).

Example Response (JSON)

{
  "status": "success",
  "data": [
    {
      "id": "Volta_NVDA_Strategic_Partner",
      "companyName": "Volta",
      "ticker": "NVDA",
      "relationship": "Strategic Partner",
      "fundingAmount": "$50.0M",
      "preset": "BASE",
      "tamPenetration": 15,
      "targetCaptureFormatted": "+$540.0M",
      "partnerImpactFormatted": "+$345.6M",
      "shortTermLabel": "MODERATE (48%)",
      "savedAt": "2026-08-21T10:15:00.000Z"
    }
  ],
  "meta": {
    "total": 1,
    "userEmail": "[email protected]"
  }
}

GET/api/v1/me/saved-disruptions/{id}

Market Intelligence

Retrieve complete parameters and simulation outputs for a single saved disruption scenario.

Parameters

Parameter	Type	Default	Description
id	string (path)	required	The scenario ID.

Example Response (JSON)

{
  "status": "success",
  "data": {
    "id": "Volta_NVDA_Strategic_Partner",
    "companyName": "Volta",
    "ticker": "NVDA",
    "relationship": "Strategic Partner",
    "tamPenetration": 15,
    "capexConversion": 60,
    "competitorChurn": 12,
    "horizonYears": 3,
    "targetCaptureFormatted": "+$540.0M",
    "partnerImpactFormatted": "+$345.6M",
    "summary": "Volta integrates next-generation acceleration into NVIDIA clusters."
  }
}

Rate Limits

Every PRO key includes a generous quota of 100 requests per minute across all V1 endpoints.

Response Headers:

X-RateLimit-Limit:100

X-RateLimit-Remaining:98

X-RateLimit-Reset:1724238000

If exceeded, endpoints respond with HTTP 429 Too Many Requests and a Retry-After header in seconds.

Generate API Key

Generate and rotate your exclusive API key directly from your dashboard.

Go to Profile Keys