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curated paid API directory for AI agents

₿ satring --list

Curated Paid API Directory for AI Agents

Discover paid APIs for your AI agents, via Lightning and USDC

cat> [all] [ai/ml] [data] [finance] [identity] [media] [search] [social] [storage] [tools]

filter> [all] [verified] [confirmed] [live] [down] [unknown]

proto> [all] [L402] [x402] [MPP]

sort> [popular] [newest] [top-rated] [cheapest] [most-reviewed]

[x402+MPP] [confirmed] 0 sats/per-request [-----] (0)

AsterPay is the trust, discovery and EUR-settlement layer for AI agent commerce. This endpoint returns a real-time USDC to EUR settlement estimate (exchange rate, fee, and SEPA Instant delivery in under 10 seconds) - the only x402 endpoint that settles stablecoins to EUR fiat. AsterPay also provides a KYA Trust Score (Know Your Agent: ERC-8004 agent identity plus sanctions screening, scored 0-100) so agents can verify a counterparty before paying, and merchant discovery to resolve a company name to verified IBAN/BIC. x402 and MPP are accepted on every paid endpoint. Supports USDC, EURC and EURCV across Base, Ethereum, Arbitrum, Optimism and Polygon. Operated by AELIRA LTD (Cyprus).

#finance #identity

Satsback Agent API

[verified] [L402] [confirmed] 21 sats/one-time [-----] (0)

satsback-agent-api

Cashback infrastructure for AI agents, settled in sats. Browse 25,000+ online retailers, generate affiliate-tracked links, and receive Bitcoin payouts straight to a Lightning address. Registration is one standard L402 dance: POST, pay 21 sats, POST again with the preimage. No signup, no API keys, no extra steps. Full MCP server support for agentic workflows.

#tools #finance

api.nansen.ai/api/v1/smart-money/pnl-leaderboard

[x402] [confirmed] 0 sats/per-request [-----] (0)

api-nansen-ai-api-v1-smart-money-pnl-leaderboard

Added by scraper. Domain owners can authenticate for free to edit information.

Lightning Faucet Mempool Heatmap

[L402] [confirmed] 30 sats/per-request [*****] (1)

lightning-faucet-mempool-heatmap

Bitcoin mempool visualization data as a fee-rate heatmap. See pending transaction distribution. 30 sats.

stableupload.dev/api/site/renew

[x402+MPP] [confirmed] 0 sats/per-request [-----] (0)

stableupload-dev-api-site-renew

Added by scraper. Domain owners can authenticate for free to edit information.

#finance #storage

[L402] [confirmed] 10 sats/per-request [-----] (0)

L402-native MCP server for AI agents. 5 Bitcoin/Lightning tools: BTC price, fee send-decision, Lightning Address resolver, TX decoder, and optimal send window. Pay 10-25 sats per call. No API keys. Live at mcp.loopxxi.com/mcp

#tools #finance

api.nansen.ai/api/v1beta1/tgm/historical-top-holders

[x402] [confirmed] 0 sats/per-request [-----] (0)

api-nansen-ai-api-v1beta1-tgm-historical-top-holders

Added by scraper. Domain owners can authenticate for free to edit information.

#finance #media

agentfax.val.run/v1/fax

[MPP] [confirmed] 0 sats/per-request [-----] (0)

agentfax-val-run-v1-fax

Added by scraper. Domain owners can authenticate for free to edit information.

blockrun.ai/api/v1/x/users/mentions

[x402] [confirmed] 0 sats/per-request [-----] (0)

blockrun-ai-api-v1-x-users-mentions

Added by scraper. Domain owners can authenticate for free to edit information.

#finance #ai/ml

stablesocial.dev/api/lightreel/trends

[x402+MPP] [confirmed] 0 sats/per-request [-----] (0)

stablesocial-dev-api-lightreel-trends

Added by scraper. Domain owners can authenticate for free to edit information.

#media #finance

blockrun.ai/api/v1/surf/market/price

[x402] [confirmed] 0 sats/per-request [-----] (0)

blockrun-ai-api-v1-surf-market-price

Added by scraper. Domain owners can authenticate for free to edit information.

#finance #ai/ml

Kronos Quant Signal API

[verified] [x402] [confirmed] 0 sats/per-request [-----] (0)

kronos-quant-signal-api

Multi-asset financial intelligence API delivering ML-based price-path forecasts, trading signals, and calibration metrics for crypto, commodities, and pre-market equities. 32 paid endpoints via x402 protocol with USDC on Base and Solana. Per-request pricing from $0.001 to $0.05. No API keys required — agents pay per request and receive JSON forecasts with conformal prediction intervals.

surf.cascade.fyi/api/v1/twitter/get

[x402+MPP] [confirmed] 0 sats/per-request [-----] (0)

surf-cascade-fyi-api-v1-twitter-get

Added by scraper. Domain owners can authenticate for free to edit information.

api.nansen.ai/api/v1/tgm/perp-trades

[x402] [confirmed] 0 sats/per-request [-----] (0)

api-nansen-ai-api-v1-tgm-perp-trades

Added by scraper. Domain owners can authenticate for free to edit information.

api.nansen.ai/api/v1beta1/profiler/historical-transaction-lookup

[x402] [confirmed] 0 sats/per-request [-----] (0)

api-nansen-ai-api-v1beta1-profiler-historical-transaction-lookup

Added by scraper. Domain owners can authenticate for free to edit information.

agoragentic.com/api/x402/invoke/faff2b01-f6a2-4e56-94eb-49be97c76767

[x402+MPP] [confirmed] 0 sats/per-request [-----] (0)

agoragentic-com-api-x402-invoke-faff2b01-f6a2-4e56-94eb-49be97c76767

Added by scraper. Domain owners can authenticate for free to edit information.

#finance #search

surf.cascade.fyi/api/v1/twitter/tweets/search

[x402+MPP] [confirmed] 0 sats/per-request [-----] (0)

surf-cascade-fyi-api-v1-twitter-tweets-search

Added by scraper. Domain owners can authenticate for free to edit information.

#search #finance

api.aisa.one/apis/v1/apis/v2/kalshi/orderbooks

[MPP] [confirmed] 0 sats/per-request [-----] (0)

api-aisa-one-apis-v1-apis-v2-kalshi-orderbooks

Added by scraper. Domain owners can authenticate for free to edit information.

#finance #ai/ml

api.aisa.one/apis/v1/apis/v2/financial/financials/balance-sheets

[MPP] [confirmed] 0 sats/per-request [-----] (0)

api-aisa-one-apis-v1-apis-v2-financial-financials-balance-sheets

Added by scraper. Domain owners can authenticate for free to edit information.

#finance #ai/ml

api.nansen.ai/api/v1/prediction-market/top-holders

[x402] [confirmed] 0 sats/per-request [-----] (0)

api-nansen-ai-api-v1-prediction-market-top-holders

Added by scraper. Domain owners can authenticate for free to edit information.

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