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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]

[L402] [live] 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.

Kevros Media Attest

[L402+x402+MPP] [live] 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.

Ollama LLM Inference (L402)

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

ollama-llm-inference-l402

Pay-per-request LLM inference via Lightning micropayments. Supports llama3 (5 sats) and qwen2.5:14b (15 sats). Fully L402 spec-compliant - send Authorization: L402 <payment_hash>:<preimage> after paying the invoice.

l402-kit Demo API

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

l402-kit-demo-api

Full-stack L402 SDK for TypeScript, Python, Go, Rust. Monetize any API with Bitcoin Lightning in 3 lines. MCP server: npx l402-kit-mcp

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

120+ AI services paid with Bitcoin Lightning. Code gen, image generation, voice synthesis, research, translation, legal drafting, medical summaries, SEO analysis, content writing, DevOps automation, data analysis — all pay-per-task via L402. No signup, no subscription, no API keys. From 50 sats. Workflow bundles available.

PowForge DoI Oracle

[L402] [live] 2 sats/per-request [-----] (0)

powforge-doi-oracle-1

Schnorr-signed Depth-of-Identity score for any Nostr pubkey across four dimensions of irreversible work (access, economic, social, vouch). The signature is the product — cache, verify offline, pass between agents as a bearer credential. Whitepaper: powforge.dev/whitepaper

#tools #identity

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

Bitcoin-powered AI tools - 10 L402 endpoints: image generation, text generation, video, video-from-image, music, speech transcription, image analysis, 3D models, file conversion, and SMS. No signup or API key required. 5-500 sats per request.

mpp.api.agentmail.to/v0/inboxes

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

mpp-api-agentmail-to-v0-inboxes

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

Satring Bulk Export

[verified] [L402+x402+MPP] [live] 5000 sats/per-request [-----] (0)

satring-bulk-export

Export the full service directory as JSON in a single request. Paywalled (5000 sats / $2.50 USDC). Supports L402 and x402.

tako.com/api/mpp/v1/answer

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

tako-com-api-mpp-v1-answer

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

Satring Directory API

[verified] [L402+x402+MPP] [live] 100 sats/free [*****] (1)

satring-directory-api

L402 + x402 paid API directory. GET for paginated listing with category/protocol filters, detail by slug, and search. POST to submit new services (1000 sats / $0.50 USDC). PATCH to edit with token.

mpp.api.agentmail.to/v0/drafts

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

mpp-api-agentmail-to-v0-drafts

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

mpp.api.agentmail.to/v0/domains

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

mpp-api-agentmail-to-v0-domains

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

stabletravel.dev/api/reference/recommendations

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

stabletravel-dev-api-reference-recommendations

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

stabletravel.dev/api/flightaware/disruption-counts/entity_type

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

stabletravel-dev-api-flightaware-disruption-counts-entity-type

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

Lightning Faucet UUID Generator

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

lightning-faucet-uuid-generator

Generate UUID v7 identifiers. 5 sats per UUID.

Lightning Faucet Quote

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

lightning-faucet-quote

Inspirational quote.

stabletravel.dev/api/flightaware/flights/id

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

stabletravel-dev-api-flightaware-flights-id

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

api.lightningenable.com/l402/proxy/paper-scout

[L402+MPP] [live] 3 sats/per-request [-----] (0)

api-lightningenable-com-l402-proxy-paper-scout

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

[verified] [L402] [live] 30 sats/per-request [-----] (0)

Pay-per-use AI inference via Bitcoin Lightning. Any Lightning wallet. Pay in sats per request — no API keys, no accounts, no signup. Supports Claude and GPT-4.

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