cryptodataapi

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Live crypto market data and analysis via CryptoDataAPI (cryptodataapi.com) — market regimes, funding, open interest, liquidations, whale activity, dealer gamma, on-chain flows, sentiment, a quant risk engine, and historical backtesting. Use when the user wants live crypto market data, to read the market regime, analyze derivatives, build/size/evaluate a trading strategy, or backtest against historical snapshots.

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Sourcecrypto-data-api/cryptodataapi-skills

Added on2026-10-25

NPX Install

npx skill4agent add crypto-data-api/cryptodataapi-skills cryptodataapi

SKILL.md Content

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CryptoDataAPI — crypto market analysis & backtesting playbook

Use the CryptoDataAPI REST API (base

https://cryptodataapi.com/api/v1

) for live crypto market data, market regimes, derivatives, on-chain flows, a quant risk engine, and backtesting — one key, 180+ endpoints, 12 aggregated sources. If the

cryptodataapi

MCP tools are loaded, prefer those tool calls; otherwise call the REST endpoints directly (curl / requests) with the user's key.

Auth

Header on every request:
```
X-API-Key: cdk_live_...
```
. Read the key from the
```
CRYPTODATA_API_KEY
```
environment variable. (
```
/health
```
and
```
/payments/plans
```
need no key.)
No key yet? Create a free one, no signup:
```
POST /api/v1/auth/keys
```
with
```
{"email":"you@example.com"}
```
— the full key is returned once.

bash

curl -H "X-API-Key: $CRYPTODATA_API_KEY" https://cryptodataapi.com/api/v1/daily

Tiers (every tier is a complete product, not a teaser):
- Free — the whole market-wide picture: health scores, regime reads, Fear & Greed, macro, ETF & stablecoin flows, BTC cycle indicators, 2,000+ coin profiles, and full-universe funding + open interest across all Hyperliquid perps, plus BTC-scoped order books & liquidations. 5 req/min, 50/day.
- Pro — from $39/mo annual ($49/mo monthly). Adds the proprietary per-coin signals for every coin: quant regime & forward probabilities, dealer gamma (GEX), whale activity, trader positioning, full-universe liquidations / L2 books, trading indicators and strategy baskets. 30 req/min, 10,000/day.
- Pro Plus — from $149/mo annual ($199/mo monthly). Adds the historical & bulk layer: the 2020→now regime archive (Parquet), a probability audit trail, and backtesting data. 60 req/min, unlimited daily.
Agents can subscribe autonomously with gasless USDC via
```
POST /api/v1/payments/agent-subscribe
```
(x402: 402 → sign off-chain → settle → key). See
```
references/tiers-and-limits.md
```
for plan slugs and the flow.

Always start here

GET /api/v1/daily

— one cached call bundling market health, derivatives, sentiment, macro, ETF flows and cycle indicators. It replaces ~10 calls. Append

?format=markdown

to most endpoints for clean LLM context. Poll hourly, not per-tick.

The core loop: regime → strategy → risk → backtest

Read the regime —
```
GET /regimes/current
```
(10-state long-horizon cycle) and
```
GET /quant/market
```
(HMM market regime + calibrated probability buckets). (quant = Pro)
Pick strategies —
```
GET /trading-strategy-baskets
```
(50 meta-baskets across 6 groups, each pre-mapped to the conditions it was built for). Use
```
GET /regimes
```
for the taxonomy. (Pro)
Size the risk —
```
GET /quant/coins/risk?horizon=24h
```
returns, in one bulk call for the whole universe, each coin's regime, the volatility / liquidation_risk / funding / open_interest probability buckets, and a
```
vol_target_multiplier
```
(0.25–3.0). Honor
```
meta.insufficient_history
```
/
```
meta.new_listing
```
— mark those coins ineligible. (Pro)
Backtest —
```
GET /backtesting/daily-snapshots
```
(available dates) and
```
GET /backtesting/daily-snapshots/{date}
```
(the full point-in-time
```
/daily
```
payload for that day, incl. frozen regime/health). Replay history to validate before going live. (Pro Plus)

Go deeper

Full endpoint reference (every domain, one line + tier per endpoint):
```
references/endpoints.md
```
Worked workflows (copy-ready curl, expected fields):
```
references/workflows.md
```
Tiers, rate limits, errors, x402 self-subscribe, MCP:
```
references/tiers-and-limits.md
```

Conventions

Respect the cache. Responses carry
```
Cache-Control
```
/
```
X-Cache
```
; data refreshes on fixed cadences (1–30 min). Polling faster just wastes quota.
Batch, don't fan out. Use
```
/quant/coins
```
and
```
/quant/coins/risk
```
for the whole universe in one call instead of per-symbol loops.
Handle rate limits.
```
429
```
(with
```
Retry-After
```
) = back off. Free 5/min · Pro 30/min · Pro Plus 60/min.
up + down + flat = 1 for directional probabilities — never treat
```
1 - p_up
```
as fall odds.
Watch
X-API-Version
(CalVer) to detect a response-shape change without diffing; the public JSON
```
/changelog
```
records notable ones.

References

Machine-readable map: https://cryptodataapi.com/llms.txt · full: https://cryptodataapi.com/llms-full.txt
Docs: https://cryptodataapi.com/api/docs · OpenAPI: https://cryptodataapi.com/api
Agent quickstart: https://cryptodataapi.com/ai-agents
MCP alternative: if the
```
cryptodataapi
```
MCP tools are loaded, prefer them (they call these same endpoints with your key). Remote install (with the key exported in the shell, never pasted into a chat — see references/tiers-and-limits.md "Key hygiene"):
```
claude mcp add --transport http cryptodataapi https://cryptodataapi.com/mcp --header 'X-API-Key: ${CRYPTODATA_API_KEY}'
```