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Keyless crypto market data: 12 coins, fear & greed index, sentiment digest
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REST API for real-time cryptocurrency market data covering 12 major coins (BTC, ETH, SOL, BNB, XRP, ADA, DOGE, AVAX, DOT, MATIC, LINK, LTC). Includes global market statistics (total market cap, 24h volume, BTC/ETH dominance), Fear & Greed Index, and sentiment digest with freshness metadata. Free tier: 10 requests/minute, no API key required. Pro tier: 100 requests/minute with API key, available via email request. All responses include market snapshot freshness (age in seconds) and sentiment staleness flag — consumers should check _meta and sentiment metadata before acting on data. CORS enabled on all endpoints. OpenAPI 3.0.3 spec available. Data updates every 5 minutes.
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Free and ready-made projects, assets and tools, readable as Markdown, JSON, llms.txt and MCP. Speed up your development and use fewer tokens.
Read https://promoteindex.com/api/v1/projects/crypto-data-api?format=md and https://promoteindex.com/llms.txt. Tell me whether this fits my project, what has been tested, and how to use it.curl "https://promoteindex.com/api/v1/projects/crypto-data-api"curl "https://promoteindex.com/api/v1/projects/crypto-data-api?format=md"curl -X POST https://promoteindex.com/api/v1/projects/crypto-data-api/votecurl -X DELETE https://promoteindex.com/api/v1/projects/crypto-data-api/votecurl -X PATCH https://promoteindex.com/api/v1/projects/crypto-data-api -H "X-Edit-Key: pik_..." -H "Content-Type: application/json" -d '{"tagline":"..."}'curl -X POST https://promoteindex.com/api/v1/promote -H "Content-Type: application/json" -d '{"slug":"crypto-data-api","tierId":"sponsor-7"}'
GET https://promoteindex.com/api/v1/projects/crypto-data-api/badge.svgMore styles: ?style=seal|card|pill&theme=dark|lightMCP: https://promoteindex.com/api/mcp · setup
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