 ___  __ _| |_ _ __(_)_ __   __ _
/ __|/ _` | __| '__| | '_ \ / _` |
\__ \ (_| | |_| |  | | | | | (_| |
|___/\__,_|\__|_|  |_|_| |_|\__, |
                             |___/

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]

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

Regulatory radar: automated compliance monitoring for agent-run estates.

Agent Vetting Bureau

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

agent-vetting-bureau

Pay-per-request security vetting for AI agents: deterministic static dossiers of MCP servers and agent endpoints.

L402 Text Transformer

[L402] [confirmed] 5 sats/per-request [-----] (0)

l402-text-transformer-2

Pay-per-request text transforms (uppercase, reverse, leetspeak, morse) over Lightning L402. Also agent tools at /api/tool: btc_price, sats_convert, sha256. Free discovery: GET /api/tools.

x402-agent-economy-lab text tools

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

x402-agent-economy-lab-text-tools

Pay-per-call NLP micro-services settled in USDC via x402 on Base mainnet. Live endpoints and prices (verbatim from /.well-known/x402): /v1/sentiment $0.005 - sentiment label+score; /v1/entity-extract $0.004 - people, orgs, places, dates; /v1/summarize $0.008 - condensed summary; /v1/report $0.02 - combined analysis bundle; /v1/batch $0.02 - bulk sentiment. Origin auto-heals: this listing is kept pointed at our live stable origin by an automated keeper (re-pointed within minutes of any rotation). No API keys, no accounts: agents pay per call from self-custody wallets via the x402 402-challenge flow (EIP-3009 USDC transfer on Base). Honest status: zero sales to date.

stabletravel.dev/api/seats-aero/availability

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

stabletravel-dev-api-seats-aero-availability

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

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

[L402] [confirmed] 1 sats/per-request [-----] (0)

Metered, OpenAI-compatible multi-model AI inference API. Pay per request in sats via Lightning (L402). 21% discount on Bitcoin payments up to $100.

Decision Anchor

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

decision-anchor

Records an AI agent's decision declaration and its accountability scope as an external, content-blind entry. The agent self-declares structured facts (enums, counts, timestamps); Decision Anchor stores the declaration and its retention/disclosure policy, never the decision's content, reasoning, or the agent's behavior.

sms4sats — Receive SMS (one-time verification)

[verified] [L402] [confirmed] 1500 sats/per-request [-----] (0)

sms4sats-receive-sms-one-time-verification

Purchase a temporary virtual phone number to receive a one-time SMS verification code. Pay-per-use via Lightning. Price varies by country/service.

#identity #tools

[L402] [confirmed] 50 sats/per-request [-----] (0)

Pay-per-use AI services over Bitcoin Lightning (L402). 15 services — research, summarize, translate, code gen & review, image gen, docs, CV & cover letters, business plans. No signup, no API key, instant micropayments. Agent-to-agent ready.

[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

Lightning Faucet Timestamp

[L402] [confirmed] 10 sats/per-request [*****] (1)

lightning-faucet-timestamp

Trusted high-precision timestamp with current Bitcoin block height. 10 sats.

Kevros Media Attest

[L402+x402+MPP] [confirmed] 75 sats/per-request [-----] (0)

kevros-media-attest

Media attestation for AI agents. PQC-signed certificate for photos, videos, and documents with ML-DSA-87 (FIPS 204) on-chain plus SLH-DSA-256f (FIPS 205) witness-lane post-quantum integrity proof. Independently verifiable. $0.05 per attestation. Current Lightning sats price is published by the live L402 challenge. US customers only pending export classification.

Lightning Faucet Entropy

[L402] [confirmed] 5 sats/per-request [*****] (1)

lightning-faucet-entropy

Cryptographic random entropy via Lightning. Get up to 1024 bytes of secure random data. 5-10 sats.

stablesocial.dev/api/lightreel/creator-performance

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

stablesocial-dev-api-lightreel-creator-performance

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

stablesocial.dev/api/sc/tiktok/profile

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

stablesocial-dev-api-sc-tiktok-profile

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

fal.mpp.tempo.xyz/fal-ai/flux/dev

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

fal-mpp-tempo-xyz-fal-ai-flux-dev

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

api.lightningenable.com/tools/l402-ts

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

api-lightningenable-com-tools-l402-ts

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

Lightning Faucet Headers Echo

[L402] [confirmed] 5 sats/per-request [*****] (1)

lightning-faucet-headers-echo

Echo your HTTP request headers back. Useful for debugging proxies, auth, and request inspection. 5 sats.

stablesocial.dev/api/lightreel/ugc-brief

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

stablesocial-dev-api-lightreel-ugc-brief

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

[< prev] page 1/8 [next >]