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Try the API Playground

Test this endpoint with real requests in the interactive playground. Queue funding lookups, poll for results, and review JSON responses.

Launch Funding Playground

Retrieve comprehensive funding round information for companies from our proprietary database and verified sources. Returns funding rounds with dates, investors, amounts, and valuations aggregated from multiple trusted sources including Crunchbase, news articles, and SEC filings.

Related Endpoints

Overview

API Endpoint

https://api.nyne.ai/company/funding
  • Endpoint: POST /company/funding
  • Delivery: Receive a request_id, poll for completion, or provide a callback URL.
  • Credits: 8 credits when a result is produced.
  • Use Cases: Market research, competitive intelligence, investor analysis, due diligence, and sales prospecting.
  • Data Sources: Aggregated from Crunchbase, news articles, SEC filings, company press releases, and industry publications.
  • Accuracy: Only returns verified funding data from reliable sources. All data is cross-referenced and validated.

Authentication

Include your API key and secret in every request:

Headers
X-API-Key: your_api_key_hereX-API-Secret: your_api_secret_here

Rate Limits

Funding lookups consume credits and respect your account limits:

  • Per Minute: 60 requests
  • Per Hour: 1000 requests
  • Monthly: Varies by plan

Credit Usage

API credits are consumed for funding lookup requests:

  • Funding Lookup: 8 credits per completed lookup

Credit Efficiency

Credits are charged when funding data is retrieved. If no funding information is found, no credits are charged.

POST /company/funding

Queue a funding lookup for the specified company.

POST /company/funding

Request Body

FieldTypeRequiredDescription
company_name string optional* Company name to search for (e.g., "Stripe", "OpenAI").
company_domain string optional* Company domain to search for (e.g., "stripe.com", "openai.com").
callback_url string optional HTTPS URL to receive the completed payload automatically.

* At least one of company_name or company_domain is required.

Example Request

{ "company_name": "Stripe", "callback_url": "https://example.com/webhooks/funding" }

cURL Example

Queue a Funding Lookup 
curl -X POST https://api.nyne.ai/company/funding \
  -H "X-API-Key: your_api_key_here" \
  -H "X-API-Secret: your_api_secret_here" \
  -H "Content-Type: application/json" \
  -d '{
    "company_name": "Stripe"
  }'

Immediate Response

{ "success": true, "data": { "request_id": "cofund_64f2d8e4_1700000123", "status": "queued", "message": "Company funding lookup queued. Use GET /company/funding?request_id=... to check status.", "callback_url": "https://example.com/webhooks/funding" }, "timestamp": "2025-11-10T22:20:03Z" }

GET /company/funding

Poll for completion or retrieve cached results.

GET /company/funding

Query Parameters

  • request_id (string, required) – identifier returned by the POST call.

cURL Example

Poll for Results 
curl -X GET "https://api.nyne.ai/company/funding?request_id=cofund_64f2d8e4_1700000123" \
  -H "X-API-Key: your_api_key_here" \
  -H "X-API-Secret: your_api_secret_here"

Completed Response

{ "success": true, "data": { "request_id": "cofund_64f2d8e4_1700000123", "status": "completed", "result": { "company_domain": "stripe.com", "funding_rounds": [ { "series_type": "Series I", "funded_by": [ { "name": "Thrive Capital", "domain": "thrivecap.com" }, { "name": "General Catalyst", "domain": "generalcatalyst.com" } ], "funding_date": { "year": 2024, "month": 3, "day": 15 }, "amount": 6940000000, "currency": "USD", "valuation": 65000000000 }, { "series_type": "Series H", "funded_by": [ { "name": "Sequoia Capital", "domain": "sequoiacap.com" } ], "funding_date": { "year": 2021, "month": 3, "day": 14 }, "amount": 600000000, "currency": "USD", "valuation": 95000000000 }, { "series_type": "Pre-Seed", "funded_by": [], "amount": 1000000, "amount_approximate": true, "currency": "USD" } ], "acquired": { "acquired_on": { "year": 2024, "month": 10, "day": 15 }, "acquired_by": "Microsoft", "acquired_by_domain": "microsoft.com", "purchase_price": 5000000000, "currency": "USD", "acquisition_type": "acquisition" } }, "created_on": "2025-11-10T22:20:03Z", "completed_on": "2025-11-10T22:20:17Z" }, "timestamp": "2025-11-10T22:20:17Z" }

Callback Payload

If callback_url is provided, the same JSON structure is POSTed to your endpoint once the lookup is complete.

Callback Example
POST https://example.com/webhooks/funding
Content-Type: application/json

{
  "request_id": "cofund_64f2d8e4_1700000123",
  "status": "completed",
  "result": {
    "company_domain": "stripe.com",
    "funding_rounds": [
      {
        "series_type": "Series I",
        "funded_by": [
          {
            "name": "Thrive Capital",
            "domain": "thrivecap.com"
          }
        ],
        "funding_date": {
          "year": 2024,
          "month": 3,
          "day": 15
        },
        "amount": 6940000000,
        "currency": "USD"
      }
    ],
    "acquired": {
      "acquired_on": {
        "year": 2024,
        "month": 10,
        "day": 15
      },
      "acquired_by": "Microsoft",
      "acquired_by_domain": "microsoft.com",
      "purchase_price": 5000000000,
      "currency": "USD",
      "acquisition_type": "acquisition"
    }
  },
  "created_at": "2025-11-10T22:20:03Z",
  "completed_at": "2025-11-10T22:20:17Z"
}

Response Fields

Top-Level Fields

FieldTypeDescription
company_domain string The verified company domain (for verification when company_name was provided).
funding_rounds array Array of funding rounds, sorted by date (most recent first). Empty array if no funding found.
acquired object Acquisition information (only present if the company was acquired). Omitted entirely if not acquired.

Acquisition Object

FieldTypeRequiredDescription
acquired_on object required Date object with year, month, and day fields.
acquired_by string required Name of the acquiring company.
acquired_by_domain string optional Website domain of the acquiring company.
purchase_price number optional Purchase price as a number (e.g., 5000000000 for $5B).
currency string optional Currency code (e.g., "USD", "EUR"). Defaults to "USD" if purchase_price is present.
acquisition_type string optional Type of acquisition (e.g., "merger", "acquisition", "asset purchase").

Funding Round Object

FieldTypeRequiredDescription
series_type string required Round type (e.g., "Seed", "Series A", "Series B", "Bridge", "Convertible Note", "Pre-Seed", "Angel").
funded_by array optional Array of investor objects with name and optional domain. Can be empty array if investors are not publicly disclosed.
funding_date object optional Date object with year, month, and day fields. May be omitted if date cannot be determined.
amount number optional Funding amount as a number (e.g., 5000000 for $5M). Always numeric, even when approximate.
amount_approximate boolean optional Indicates if the amount is an estimate or approximation (true) rather than exact (false or omitted).
currency string optional Currency code (e.g., "USD", "EUR"). Defaults to "USD" if amount is present.
valuation number optional Post-money valuation if available and verified.
lead_investor boolean optional Indicates if this investor led the round (only if confirmed in sources).

Example Use Cases

Market Research

Track funding trends and investor activity across your target market.

Competitive Intelligence

Monitor competitor funding rounds, valuations, and investor relationships.

Sales Prospecting

Identify recently funded companies that may have budget for your product.

Due Diligence

Verify funding history and investor relationships for partnerships or acquisitions.

Error Codes

  • missing_parameters – Both company_name and company_domain omitted.
  • invalid_callback_url – Callback URL must be HTTPS.
  • subscription_required – Account lacks enrichment access.
  • rate_limit_exceeded / monthly_limit_exceeded – Usage limits exceeded.
  • insufficient_credits – Account has insufficient credits for this request.

Next Steps

Try EZ Tool for a no-code interface | Open Playground