Live · 17 keyed endpoints

Public records and market data, behind one key.

Expressure turns government filings, market history, and vehicle records into a single structured API. Congressional trades, insider filings, patents, contracts, VIN decodes — stop scraping, start querying.

10Live datasets
<150msMedian response
1Header to auth
expressure — congress-trades
$ curl -H "X-API-Key: YOUR_KEY" \ "https://api.expressure.ai/v1/congress-trades?ticker=NVDA"
{ "ticker": "NVDA", "filings": [ { "member": "Rep. J. Doe", "transaction": "purchase", "amount_range": "$50,001–$100,000", "filed": "2026-06-14" } ], "status": 200 OK }
Datasets

15 datasets. One header.

Every dataset ships as a keyed GET /v1/* endpoint with real request/response examples in the OpenAPI spec — no scraping, no rate-limit roulette on someone else's site.

01 / DATASET

Congressional stock trades

House member Periodic Transaction Report (PTR) disclosures — every buy and sell, filed and structured.

/v1/congress-tradesHedge funds · journalists · retail-signal apps
02 / DATASET

Insider transactions

SEC Form 4 filings — officer, director, and 10% owner trades, normalized and queryable by ticker.

/v1/insidersQuant desks · retail traders
03 / DATASET

Corporate PAC donations

FEC / OpenSecrets donation records tied to corporate PACs — who's funding whom, and how much.

/v1/donorsResearch · ESG · journalism
04 / DATASET

Federal contracts

USASpending.gov award data — agency, vendor, dollar value, and NAICS code in one call.

/v1/contractsB2B sales intel · gov-tech
05 / DATASET

Lobbying disclosures

Senate LDA filings — registrants, clients, issue codes, and quarterly spend.

/v1/lobbyingPolicy · research teams
06 / DATASET

Patent grants

PatentsView grant records — assignee, inventor, class, and filing timeline.

/v1/patentsCompetitive intel · VCs
07 / DATASET

Market predictions

Model-generated forecasts and backtest results, versioned and queryable by ticker + horizon.

/v1/predictionsFintech
08 / DATASET

5-year price history

Daily OHLC history, five years deep, ready to drop into a chart or a backtest.

/v1/pricesApps · backtesting
09 / DATASET

VIN decode + recalls

NHTSA vPIC decode plus open recalls, complaint counts, and theft flag in a single lookup.

/v1/vinAutomotive · insurance · marketplaces
Beta 10 / DATASET

Property & assessor records

County assessor, deed, and lien lookups. Coverage is expanding county-by-county — currently strongest in Dallas / Tarrant.

/v1/propertyProptech · lead-gen
11 / DATASET

Institutional Holdings (13F)

Quarterly SEC 13F filings — every position an institutional manager reports, valued and share-counted.

/v1/institutional-holdingsHedge funds · quant desks
12 / DATASET

EDGAR Full-Text Search

Full-text search across every SEC filing indexed since 2001 — find the filing, not just the ticker.

/v1/edgar-searchResearch · journalism
13 / DATASET

Federal Contractor Registry (SAM.gov)

Active/inactive federal contractor registrations — UEI, CAGE code, business type, and registration status.

/v1/sam-entitiesB2B sales intel
Beta 14 / DATASET

Senate Trades

U.S. Senate member Periodic Transaction Report (PTR) disclosures. Beta — OCR pipeline pending.

/v1/senate-tradesFunds · journalists
15 / DATASET

Executive Rosters

Officer and board rosters derived from SEC Form 4 reporting-owner metadata, per company.

/v1/execsSales · recruiting · research
Quickstart

Running in 60 seconds.

1

Get a key

Email us and we mint a bg_live_… key on the spot — free tier included.

2

Send the header

Every request needs one thing: X-API-Key. No OAuth dance, no signing.

3

Ship it

JSON in, JSON out. Import the OpenAPI spec into Postman, Insomnia, or your codegen of choice.

bash — congress-trades lookup
# query congressional trades for a ticker
curl -H "X-API-Key: YOUR_KEY" \
  "https://api.expressure.ai/v1/congress-trades?ticker=NVDA"
Pricing

Start free. Scale when it matters.

Free
$0
  • 60 requests / minute
  • 1 API key
  • All stable datasets
  • Community support
Get started
Enterprise
Contact us
  • Custom rate limits
  • Bulk export / warehouse sync
  • SLA + dedicated support
  • Private endpoints on request
Talk to us

Also available on RapidAPI — pay-as-you-go, no separate key required.

How it works

Built for people who read docs.

AUTH

One header

Pass X-API-Key on every request. No tokens to refresh, no signature to compute.

LIMITS

Per-key metering

Rate limits and usage are tracked per key and enforced at the edge — you always know where you stand.

SPEC

OpenAPI-first

The full contract — params, examples, error shapes — is one importable openapi.json away.

MARKETPLACE

Or via RapidAPI

Prefer marketplace billing? Subscribe on RapidAPI — same backend, same data, different invoice.

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