Nightmarket
Nightmarket is an API marketplace focused on financial and market data for AI betting and trading agents.
About
Nightmarket is an API marketplace focused on financial and market data for AI betting and trading agents. Install a single skill and your agent gains access to sources like Unusual Whales (options flow, dark pool, congressional trading), Kalshi, Polymarket, Benzinga, FRED, and others — each callable via USDC micropayments per API call. The free tier covers 50 calls/day with no credit card required.
Developers building AI agents for sports betting, financial research, prediction markets, or quantitative trading who want a single integration point for multiple market data sources without managing separate API keys and contracts.
Pros & Cons
Pros
- check Single skill installation unlocks access to multiple high-value financial data APIs
- check Free tier with 50 calls/day per service — useful for prototyping without any upfront cost
- check Pay-per-call USDC model avoids subscription lock-in; you only pay for what you use
- check Covers hard-to-find data: congressional trading, dark pool flow, prediction market odds
- check Fast setup: free API key, one install command, agent is ready in ~2 minutes
Cons
- close Heavily focused on financial/betting data — limited value for non-finance agent use cases
- close USDC payment requirement means crypto wallet infrastructure is needed for paid tiers
- close All listed providers appear to be operated by Fallom Labs — real marketplace diversity is limited
- close Free tier rate limits (50 calls/day) are restrictive for production use cases
- close Beta product with a small catalog; ecosystem is early
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