Form D Explorer API

REST API over the same dataset that powers this site. JSON responses, Bearer-token auth, 10,000 requests / month on the API Access plan.

Base URL

https://formdexplorer.com/api/v1

Authentication

Pass your API key as a Bearer token:

Authorization: Bearer fde_your_api_key_here

Generate and revoke keys at /account/api-keys/. Get a key by subscribing to API Access.

Rate limits

10,000 requests per rolling 30-day window per key. Every response includes:

X-RateLimit-Limit: 10000
X-RateLimit-Remaining: 9993

Over limit returns 429.

Endpoints

GET /v1/filings/

Search / list filings. Query parameters:

q — issuer name (trigram + icontains)
state — 2-letter state
industry — industry group name
min_amount, max_amount — total offering amount (USD)
date_from, date_to — YYYY-MM-DD
limit (default 50, max 200), offset

curl -H "Authorization: Bearer $FDE_KEY" \
  "https://formdexplorer.com/api/v1/filings/?state=CA&limit=10"

GET /v1/filings/<accession_number>/

Single filing with issuer + related persons.

curl -H "Authorization: Bearer $FDE_KEY" \
  "https://formdexplorer.com/api/v1/filings/0001234567-26-000001/"

GET /v1/issuers/<cik>/

Issuer profile with recent filings (last 25).

Response shape

{
  "count": 1234,
  "limit": 50,
  "offset": 0,
  "results": [
    {
      "accession_number": "0001234567-26-000001",
      "form_type": "D",
      "filing_date": "2026-04-20",
      "industry_group": "Pooled Investment Fund",
      "total_offering_amount": 50000000,
      "issuer": { "cik": "1234567", "name": "Acme ...", "address": {...} }
    }
  ]
}

Errors

401 invalid_api_key
403 inactive_subscription
404 not_found
429 rate_limited