Quick Start
# Get Bitcoin's rating
curl https://zarq.ai/v1/crypto/rating/bitcoin

# All 198 token ratings
curl https://zarq.ai/v1/crypto/ratings

# Current trading signals
curl https://zarq.ai/v1/crypto/signals

# Active risk alerts
curl https://zarq.ai/v1/crypto/early-warning
Base URL
https://zarq.ai
Auth
None required
Rate Limit
1,000 / day
Format
JSON
Ratings
GET /v1/crypto/ratings

All token ratings sorted by score. Returns rating, composite score, five pillar scores, risk level, and structural signals for every rated token.

198 tokens
{
  "data": [
    {
      "token_id": "bitcoin",
      "rating": "A2",
      "score": 74.52,
      "pillar_1": 99.20,
      "pillar_2": 32.84,
      "pillar_3": 71.59,
      "pillar_4": 86.50,
      "pillar_5": 94.75,
      "risk_level": "WARNING",
      "structural_weakness": 2,
      "structural_strength": 2
    }
  ],
  "meta": { "total": 198, "run_date": "2026-02-28" }
}
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GET /v1/crypto/rating/{token_id}

Individual token rating with full detail including DtD score, crash probability, and pillar breakdown.

ParameterTypeDescription
token_idstringCoinGecko token ID, e.g. bitcoin, ethereum, solana
{
  "token_id": "bitcoin",
  "rating": "A2",
  "score": 74.52,
  "pillars": {
    "ecosystem": 99.20,
    "contagion": 32.84,
    "resilience": 71.59,
    "fundamental": 86.50,
    "rug_pull": 94.75
  },
  "dtd": 3.03,
  "risk_level": "WARNING",
  "crash_probability": 8.2
}
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Risk Intelligence
GET /v1/crypto/ndd/{token_id}

Distance-to-Default time series for a token. DtD measures standard deviations from the default barrier, adapted from the Merton structural credit model.

ParameterTypeDescription
token_idstringCoinGecko token ID
> 3.0
Safe
2.0–3.0
Watch
1.0–2.0
Warning
< 1.0
Danger
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GET /v1/crypto/early-warning

Active risk alerts across all rated tokens. Returns tokens with deteriorating DtD, elevated crash probability, or structural weakness signals.

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Trading Signals
GET /v1/crypto/signals

Current month's conviction-ranked long/short pairs. Generated from rating spreads and DtD differentials within investment-grade tokens. Backtested Sharpe: 2.82.

{
  "pairs": [
    {
      "rank": 1,
      "long": "the-open-network",
      "short": "zcash",
      "conviction": 0.886
    }
  ],
  "regime": "BEAR",
  "month": "2026-03"
}
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Trust Scores (Entity Detail)
GET /api/v1/crypto/trust-score/{entity_type}/{id}

Detailed trust score for any crypto entity. Five-dimensional breakdown with Security, Compliance, Maintenance, Popularity, and Ecosystem scores.

ParameterTypeOptions
entity_typestringtoken, exchange, defi
idstringEntity ID, e.g. bitcoin, binance, aave-v3
{
  "entity_type": "token",
  "id": "bitcoin",
  "name": "Bitcoin",
  "trust_score": 74.52,
  "trust_grade": "A2",
  "dimensions": {
    "security": 99.20,
    "compliance": 32.84,
    "maintenance": 71.59,
    "popularity": 86.50,
    "ecosystem": 94.75
  },
  "source": "zarq.ai"
}
Try token →   Try exchange →   Try DeFi →
Paper Trading
GET /v1/paper-trading/portfolios

All paper trading portfolios with current NAV and performance metrics.

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GET /v1/paper-trading/audit

SHA-256 hash-chained audit trail. Every daily NAV snapshot is cryptographically linked to the previous day for independent verification.

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Bulk Data
GET /data/crypto-trust-scores.jsonl.gz

All trust scores as gzipped JSONL. One line per entity. Updated daily.

GET /data/crypto-trust-summary.json

Summary statistics: grade distribution, average scores by category, coverage counts.

Rating Scale
Aaa
95–100
Highest quality
Aa
80–95
High quality
A
65–80
Upper medium
Baa
50–65
Medium grade
Ba
35–50
Speculative
B
20–35
Highly spec.
Caa–C
5–20
Substantial risk
D
0–5
In default

Investment grade: Baa3 and above · Speculative grade: Ba1 and below · Each tier has three notches (e.g. A1, A2, A3)

LLM & AI Agent Integration

ZARQ is built machine-first. Every endpoint returns structured JSON optimized for LLM context windows and automated decision pipelines.

llms.txt

Compact site summary for LLM crawlers. Follows the llms.txt standard.

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llms-full.txt

Extended context with methodology, rating scale, and all endpoints.

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OpenAPI Spec

Machine-readable API specification. 86 documented endpoints.

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Disclaimer — ZARQ provides data-driven crypto intelligence for informational and educational purposes only. Nothing on this website constitutes financial advice, investment advice, trading advice, or any other form of professional advice. ZARQ does not recommend buying, selling, or holding any cryptocurrency or financial instrument.

Trust ratings, Distance-to-Default (DtD) scores, crash probabilities, trading signals, and all other data are derived from quantitative models and may contain errors, lag behind real-time conditions, or fail to predict future outcomes. Past performance, whether backtested or live, is not indicative of future results. All backtested results are hypothetical and do not represent actual trading.

Crypto assets are highly volatile, speculative, and may result in total loss of invested capital. You should conduct your own research (DYOR) and consult a qualified, licensed financial advisor before making any investment decisions. ZARQ is not registered as a broker-dealer, investment advisor, or financial institution in any jurisdiction.

By using this website, you acknowledge that you bear sole responsibility for your own investment decisions and that ZARQ, its founders, contributors, and affiliates accept no liability for any losses, damages, or consequences arising from the use of information provided herein.

This website may not comply with regulatory requirements in all jurisdictions. Users are responsible for ensuring that their use of ZARQ data complies with local laws and regulations, including but not limited to MiFID II (EU), the Securities Act (US), MAS guidelines (Singapore), and FCA rules (UK).