FundzKnowledge Base
API Reference

Funding Rounds

Search and filter funding rounds from 200,000+ companies. Track Series A, B, C rounds, seed funding, and more with powerful filtering by location, industry, amount raised, and company size.

🚀 Quick Start

Get started in seconds. Here's your first API call:

curl -H "Authorization: YOUR_API_KEY" \
  "https://api.fundz.net/fundings?created_from=2026-01-01&series=seed"

Endpoint

GEThttps://api.fundz.net/fundings
Returns paginated list of funding rounds with company details

Authentication

Send your key in the header Authorization: YOUR_API_KEY:

Authorization: YOUR_API_KEY

The API also accepts an OAuth Bearer <token> for ChatGPT/agent integrations — but partner/API usage is the Authorization: API_KEY header.

💡 Paid plans only — there is no free API tier. An inactive subscription returns 401 with a message pointing to fundz.net/pricing.

Common Use Cases

🌟

Find Recent Seed Rounds

Track early-stage startups raising seed funding in the last 30 days

curl -H "Authorization: YOUR_API_KEY" \
  "https://api.fundz.net/fundings?series=seed&created_from=2026-01-18"
📍

Filter by Location

Find all funding rounds in California (includes all cities: San Francisco, Los Angeles, etc.)

curl -H "Authorization: YOUR_API_KEY" \
  "https://api.fundz.net/fundings?locations=California&created_from=2026-01-01"
💰

Big Funding Rounds

Find Series B+ rounds over $10M in the fintech industry

curl -H "Authorization: YOUR_API_KEY" \
  "https://api.fundz.net/fundings?series=series%20b,series%20c&money_raised_min=10000000&industries=Fintech"

Query Parameters

organization_namestringOPTIONAL

Filter by company name (case-insensitive partial match)

Example: Stripe
created_fromstringOPTIONAL

Filter by created date from (YYYY-MM-DD format)

Example: 2025-01-01
seriesstringOPTIONAL

Funding series (comma-separated). Values: seed, pre-seed, series a, series b, series c

Example: seed,series a
locationsstringOPTIONAL

Location name (automatically includes all cities within a state). Comma-separated for multiple

Example: California,New York
countriesstringOPTIONAL

Filter by company country (comma-separated). Accepts country names plus common aliases (US, USA, UK, UAE).

Example: United States,Canada
industriesstringOPTIONAL

Industry names (comma-separated). Common: Software, Fintech, Healthcare, Biotechnology

Example: Software,Artificial Intelligence
money_raised_minintegerOPTIONAL

Minimum money raised in USD

Example: 1000000
money_raised_maxintegerOPTIONAL

Maximum money raised in USD

Example: 50000000
created_tostringOPTIONAL

Filter by created date up to (YYYY-MM-DD format)

Example: 2026-03-31
investorsstringOPTIONAL

Investor names (comma-separated)

Example: Sequoia Capital,Andreessen Horowitz
pageintegerOPTIONAL

Page number for pagination (default: 1)

Example: 1

Response Format

200 OKSuccess
{
  "data": [
    {
      "id": "onelayer-funding-round-series-a-4b2c1a",
      "series": ["Series A"],
      "created_at": "2026-02-18T14:23:15.000Z",
      "title": "OneLayer raises $28M Series A",
      "money_raised": "$28,000,000",
      "source_url": "https://techcrunch.com/2026/02/18/onelayer-series-a/",
      "use_of_proceeds": [],
      "investors": [
        { "id": 45831, "title": "Koch Disruptive Technologies" },
        { "id": 50211, "title": "Viola Ventures" }
      ],
      "organization": {
        "id": "onelayer",
        "name": "OneLayer",
        "number_of_employees": 45,
        "is_public_company": false,
        "status_label": "Private",
        "status_code": "private",
        "ticker": null,
        "list_badges": [],
        "location": {
          "id": 812,
          "title": "Boston",
          "short_description": "Boston, Massachusetts",
          "country": "United States"
        },
        "industries": [
          { "id": 47, "title": "Network Security" }
        ],
        "description": "OneLayer secures private cellular networks for enterprise and critical infrastructure.",
        "linkedin_url": "https://www.linkedin.com/company/onelayer",
        "founded": "2021",
        "domain": {
          "id": 90211,
          "name": "onelayer.com",
          "url": "https://onelayer.com",
          "website": "https://onelayer.com",
          "description": "Securing private cellular networks",
          "logo": "https://www.google.com/s2/favicons?domain=onelayer.com&sz=128"
        }
      }
    }
  ],
  "meta": {
    "current_page": 1,
    "next_page": 2,
    "total_count": 156,
    "total_pages": 7,
    "tier": "Pro",
    "remaining_searches": 97
  },
  "upgrade_url": "https://www.fundz.net/pricing"
}

Results are paginated at 25 records per page. meta.tier shows the caller's plan and meta.remaining_searches shows how many queries remain today (query limits vary by plan). When a query returns no records the response also includes a guidance object with a message and suggestions, and that query does NOT count against your limit.

Funding Round Fields

FieldTypeDescription
idstringStable slug identifier for the funding round
seriesarrayFunding stage(s), e.g. ["Series A"]
created_atstringWhen the round was added to Fundz (ISO 8601)
titlestringHuman-readable headline for the round
money_raisedstringAmount raised, formatted as currency (e.g. "$28,000,000")
source_urlstringLink to the originating announcement or filing
use_of_proceedsarrayCategorized spend intents extracted from the announcement (empty until backfilled)
investorsarrayInvestors on the round; each { id, title }
organizationobjectThe company that raised (see Company Fields below)

Company Fields (organization)

FieldTypeDescription
idstringCompany slug identifier
namestringCompany name
number_of_employeesintegerHeadcount
is_public_companybooleanWhether the company is publicly traded
status_labelstringHuman-readable public/private status
status_codestringMachine-readable status code
tickerstringStock ticker symbol when public (otherwise null)
list_badgesarrayRecent list memberships (e.g. Inc 5000, Forbes Cloud 100)
locationobject{ id, title, short_description, country }
industriesarrayIndustries; each { id, title }
descriptionstringCompany description
linkedin_urlstringCompany LinkedIn URL
foundedstringFounding year when known
domainobject{ id, name, url, website, description, logo }

Errors

Errors are returned as JSON in the form { "error": "<Type>", "message": "..." }. Common status codes:

StatusMeaning
401Authentication required, invalid token, or subscription inactive
403Forbidden
404Not found
400Bad or missing parameter
422Invalid
💬

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