GUERILLA FINANCE API MARKETPLACE — LIVE

Four Intelligence Streams.
Machine-Ready Data.

Every signal generated by our autonomous sentinels is accessible via structured REST API. Financial dilution data, biotech clinical intelligence, supply chain relationships, and market signals — machine-ready, structured, production-grade.

View Pricing → Browse Endpoints

Live API Products

14,000+

Companies Covered

JSON

Clean REST Responses

24/7

Autonomous Data Refresh

Free

To Start — No Card Required

API Products

What You Can Build.

Each API is the same data engine that powers our own platforms — no watered-down endpoints, no artificial data caps on paid plans. Full fidelity. Documented. Version-stable.

Live — v1

DilutionWatch API dilutionwatch.com →

SEC dilution intelligence for 10,500+ public companies. Real-time scores updated on every new filing. 13F tracking, warrant events, float analysis, alert history, and insider activity — all queryable via clean REST API.

10,500+ Companies Real-Time Scores SEC Filing Events 13F Movements Form 4 Insider Activity Historical Alerts Short Interest Float Tracking

GET /api/company/{ticker}/score

Current dilution risk score (0–100), 5-component breakdown (filing_risk, float_erosion, warrant_exposure, institutional_flow, historical_pattern), filing trigger if applicable, and last_updated timestamp.

GET /api/company/{ticker}/score/history

Historical dilution score time series. Identify score inflection points correlated with specific SEC filing events. Returns array of {date, score, trigger_filing} objects.

GET /api/company/{ticker}/filings

Recent SEC filings with type classification (S-3, 424B3, 8-K, ATM, SC13G, etc.), parsed summary, dilution impact score, and direct EDGAR link. Paginated, date-filterable, type-filterable.

GET /api/company/{ticker}/float

Current float breakdown: outstanding shares, public float, institutional ownership %, insider ownership %, short interest shares, days-to-cover. Updated from live sources.

GET /api/company/{ticker}/insiders

Recent Form 4 insider transactions. Returns officer/director name, role, transaction type (P/S/A/M), shares, price, and 30-day aggregate buy/sell volume. Filterable by transaction code.

GET /api/company/{ticker}/institutional

13F institutional holdings data. Top holders, quarter-over-quarter position changes, new positions, and complete exits. Aggregated from most recent 13F filings.

GET /api/v1/screener

Filter 10,500+ companies by dilution score range, score trend (rising/falling), sector, market cap, state, filing recency, and short interest threshold. Returns ranked list with scores and key metrics. Supports pagination.

GET /api/dilution-score/leaderboard/worst

Ranked leaderboard of the highest dilution-risk companies market-wide. Returns tickers, scores, and key risk components — a pre-filtered view of where dilution pressure is most acute.

GET /api/public/shelf-atm-monitor

Active shelf registrations and ATM programs across the market. Open public endpoint — track S-3 shelf capacity and at-the-market offering activity without authentication.

GET /api/public/reverse-splits

Upcoming and recent reverse stock splits with symbol, company name, ratio, and effective date. Open public endpoint updated from SEC filings.

GET /api/sec/insider-sentiment/{ticker}

Aggregated insider buy/sell sentiment derived from Form 4 filings — transaction counts, net share flow, and a directional sentiment read per ticker.

Live — v2

BiotechSigns API API Docs →

Clinical trial intelligence, insider conviction scoring, PDUFA calendars, and 7 composite derived signals per biotech company. Built on live ClinicalTrials.gov and SEC EDGAR feeds — the intelligence layer institutional biotech traders use.

950+ Biotechs ClinicalTrials.gov Live 7 Derived Signals Insider Conviction Score PDUFA Calendar Phase 1–4 Trial Counts Pipeline Depth Catalyst Score

GET /api/v2/company/{ticker}

Full company profile with all 7 derived signals: momentum_30d, insider_velocity_per_week, insider_conviction_score, phase1_trials, phase2_trials, phase3_trials, phase4_trials, pipeline_depth_score, catalyst_score, composite_signal_strength. Plus raw signal data, clinical trial records, and insider buy history.

GET /api/v2/screener

Screen 950+ biotechs by phase 3 trial count, PDUFA proximity (days), insider buy velocity, composite signal threshold, and individual score filters. Returns ranked results with full derived signal data. Supports pagination and sort field.

GET /api/v2/calendar

Upcoming PDUFA dates, trial primary completion dates, and catalyst windows — sorted by date with company composite score for prioritization. Filter by date range, score minimum, and phase. Returns structured event objects with company metadata.

GET /api/v2/signals

Market-wide recent signal feed. Returns latest signals across all covered companies, filterable by signal_type (clinical_trial, insider_buy, pdufa_date, fda_action). Sorted by recency or score. Ideal for alert pipelines and dashboard feeds.

GET /api/v2/bulk/scores

Batch fetch composite scores and derived signals for up to 50 tickers per request. Returns condensed score objects. Ideal for portfolio monitoring and screening pipelines without N+1 API calls.

GET /api/v2/status

API health, data freshness timestamps (last ClinicalTrials.gov sync, last SEC EDGAR sync), covered company count, and your key usage stats (calls_today, calls_month, plan, daily_limit).

POST /api/v2/keys/generate

Self-service API key generation. Returns key prefix and full key (shown once). Key is hashed server-side. Supports label field for key management. GET /api/v2/keys and DELETE /api/v2/keys/{id} also available.

Live

ChainSifter API chainsifter.com →

Supply chain intelligence for 8,900+ publicly traded companies. Verified supplier, customer, debt, and ownership relationships extracted from SEC filings — with confidence scoring, counterparty search, and relationship-level evidence.

8,900+ Companies SEC-Verified Relationships Confidence Scores Counterparty Search Supply Chain Alerts Evidence Links

Company Chain Data

Full verified relationship set for any ticker — suppliers, customers, debt holders, and ownership stakes, each with type, confidence score, and source filing evidence.

Counterparty Search

Search the entire relationship database by ticker, counterparty name, or keyword. Surface every public company exposed to a given supplier or customer.

Relationship Alerts

Programmatic notification when new supplier or customer relationships surface for tracked tickers — the same engine behind ChainSifter's email alerts.

API Access

ChainSifter API is sold as a dedicated plan at $299.99/mo. See chainsifter.com/pricing for access, documentation, and key issuance.

Live — v1

StonkWhisper API stonkwhisper.com →

Pre-move signal intelligence. Options flow anomalies, dark pool prints, squeeze probability scores, earnings whisper differentials, and volume anomaly detection — the market intelligence layer that positions before headlines form.

Options Flow Sweeps Dark Pool Prints Squeeze Probability Score Earnings Whisper Volume Anomaly Score Pre-Move Detection Put/Call Ratio Skew Borrow Rate

GET /api/v1/signals/{ticker}

Complete signal profile for a ticker: all active unusual options activity, dark pool print summary, volume_anomaly_score (0–100), squeeze_probability (0–100), and earnings_whisper_differential. Returns signal_count, top_signals array, and last_updated.

GET /api/v1/flow/unusual

Real-time unusual options flow feed. Each record: ticker, expiry, strike, type (call/put), premium_dollars, volume, open_interest, vol_oi_ratio, order_type (sweep/block/split), exchange, and timestamp. Filterable by min_premium, expiry_max_days, put_call, and ticker. Paginated, sorted by premium descending.

GET /api/v1/flow/{ticker}/history

Historical unusual options flow for a specific ticker over configurable lookback (1–90 days). Useful for identifying recurring flow patterns ahead of catalysts. Returns time-series of daily flow events with aggregate premium and directional summary.

GET /api/v1/darkpool/prints

Recent dark pool and off-exchange large block prints. Each record: ticker, size_shares, price, premium_to_market, exchange_code (ATS name), timestamp, and historical context (avg_darkpool_pct for ticker over 30d). Filterable by ticker, min_size, and date range.

GET /api/v1/darkpool/{ticker}/activity

Dark pool activity trend for a specific ticker. Returns daily dark pool volume %, dark pool vs lit exchange ratio over time, and divergence score (how unusual current dark pool participation is vs 30d average). Signals institutional accumulation or distribution.

GET /api/v1/squeeze/screener

All covered stocks ranked by squeeze_probability_score (0–100). Each result: ticker, si_pct_float, days_to_cover, borrow_rate_annualized, float_shares, recent_volume_acceleration, and composite squeeze score. Filterable by min_si_pct, min_dtc, min_borrow_rate, and max_float. Updated twice daily from latest FINRA data.

GET /api/v1/squeeze/{ticker}/score

Full squeeze probability detail for a specific ticker: current squeeze_probability_score, component scores (si_score, dtc_score, borrow_score, float_score), historical squeeze score chart (90d), and similar historical setups that preceded actual squeezes. Includes 7-day borrow rate trend.

GET /api/v1/earnings/calendar

Upcoming earnings events sorted by signal strength. Each event: ticker, report_date, whisper_eps, consensus_eps, whisper_differential, implied_move_pct (from options), historical_beat_rate, historical_miss_rate, and avg_move_on_beat/miss. Filter by date range and minimum implied move.

GET /api/v1/earnings/{ticker}/history

Historical earnings event data for a ticker. Returns each prior earnings date with: reported EPS, whisper EPS at time, consensus EPS, beat/miss status, and actual stock move (1d, 3d, 5d post-earnings). Useful for backtesting earnings strategies.

GET /api/v1/market/movers

Top pre-move candidates market-wide ranked by composite signal score combining: unusual_options_score + darkpool_divergence + squeeze_probability + volume_anomaly. Returns top 25 tickers with signal breakdown. Updated every 15 minutes during market hours.

GET /api/v1/market/flow/summary

Market-wide options flow summary: total premium traded, put/call ratio, largest single trades of the day, sectors with elevated sweep activity, and flow sentiment index (bull/bear/neutral). Updated in real time during market hours.

Getting Started

Up and Running in 60 Seconds.

Get Your API Key

Each platform issues its own API key from your account on that site — DilutionWatch keys are dw_…, BiotechSigns keys are bts_…. Free public endpoints need no key at all.

Choose Your Auth Method

Pass your key as a header X-API-Key: bts_… or use a JWT Bearer token where supported. Public endpoints return the same clean JSON with no auth at all.

Start Querying

Every API returns clean JSON. No XML, no SOAP, no proprietary formats. Standard REST conventions. OpenAPI spec available on request for enterprise customers.

QUICK START — CURL EXAMPLE

# BiotechSigns API — company profile with composite signals (free, no key)
curl -s https://biotechsign.com/api/v1/company/MRNA

# BiotechSigns API v2 — keyed access
curl -s https://biotechsign.com/api/v2/company/MRNA \
  -H "X-API-Key: bts_your_key_here"

# DilutionWatch API — dilution score (free, no key)
curl -s https://dilutionwatch.com/api/dilution-score/AAPL

# DilutionWatch API — full company score detail (keyed)
curl -s https://dilutionwatch.com/api/company/AAPL/score \
  -H "X-API-Key: dw_your_key_here"

Pricing

Transparent Pricing.
No Surprises.

Each platform sells API access directly — pick the data streams you need. Month-to-month, cancel any time.

FREE PUBLIC ENDPOINTS

No card required. Rate-limited fair use.

✓ DilutionWatch public endpoints
✓ BiotechSigns v1 API
✓ Dilution scores, PDUFA data, filings
✓ Clean JSON, no auth needed
✗ No keyed endpoints
✗ No SLA

Explore Free Endpoints →

The Definitive Source
for Alternative Financial Data.

As AI systems increasingly power financial research, investment screening, and trading systems, data quality and API reliability become mission-critical. Guerilla Finance is built for the AI-first financial stack — structured output, semantic field naming, and consistent schemas that integrate cleanly into any downstream model or pipeline.

AI-Optimized Schemas

Every response field is named for semantic clarity. No cryptic codes. No field ambiguity. Structured for direct ingestion into LLM context windows, vector stores, and RAG pipelines.

RAW

Primary Source Data

We ingest directly from SEC EDGAR, ClinicalTrials.gov, FINRA, and county parcel records. No third-party resellers. No data aggregation lag. Primary source, machine-parsed, continuously refreshed.

SIG

Derived Signals Included

Don't just get raw data — get the derived intelligence. Composite scores, momentum vectors, conviction indices, and probability signals included in every API response at no extra cost.

Four Intelligence Streams.Machine-Ready Data.