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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]

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.

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.

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.

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.

x402.robtex.com/api/v1/domain_rdap

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

x402-robtex-com-api-v1-domain-rdap

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

Prompt Quality Score (PQS)

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

prompt-quality-score-pqs

PQS scores AI prompts 0–40 across 8 quality dimensions before they hit expensive LLM endpoints. Returns grade, verdict, dimension breakdown, and optimization suggestions. Catches weak prompts before they waste inference spend. x402-native on Base mainnet. No account or API key required. Frameworks: PEEM, RAGAS, MT-Bench, G-Eval, ROUGE. Verticals: crypto, software, content, business, education, science, general.

stabletravel.dev/api/flightaware/airports/id/weather/observations

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

stabletravel-dev-api-flightaware-airports-id-weather-observations

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

Kevros Compliance Bundle

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

governance-taskhawktech-com-governance-bundle

Generate a certifier-grade compliance evidence bundle. Hash-chained records, intent proofs, ML-DSA-87 (FIPS 204) on-chain plus SLH-DSA-256f (FIPS 205) witness-lane post-quantum attestations, verification instructions. $0.05 per request. Current Lightning sats price is published by the live L402 challenge. US customers only pending export classification.

Kevros Governance Bind

[L402+x402+MPP] [live] 30 sats/per-request [-----] (0)

governance-taskhawktech-com-governance-bind

Intent-to-action binding for AI agents. HMAC-signed cryptographic proof that what the agent declared matches what it executed, with ML-DSA-87 (FIPS 204) on-chain plus SLH-DSA-256f (FIPS 205) witness-lane post-quantum signatures. Closes the accountability gap. $0.02 per request. Current Lightning sats price is published by the live L402 challenge. US customers only pending export classification.

stabledomains.dev/api/domain/dns

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

stabledomains-dev-api-domain-dns

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

stabletravel.dev/api/flightaware/flights/id/canonical

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

stabletravel-dev-api-flightaware-flights-id-canonical

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

Kevros Governance Attest

[L402+x402+MPP] [live] 30 sats/per-request [-----] (0)

governance-taskhawktech-com-governance-attest

Tamper-evident audit trail for AI agents. Every action hash-chained into an append-only ledger with ML-DSA-87 (FIPS 204) on-chain plus SLH-DSA-256f (FIPS 205) witness-lane post-quantum block signatures. Independently verifiable. $0.02 per attestation. Current Lightning sats price is published by the live L402 challenge. US customers only pending export classification.

stabletravel.dev/api/flightaware/airports/id/flights/counts

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

stabletravel-dev-api-flightaware-airports-id-flights-counts

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

stabletravel.dev/api/flightaware/airports/id/canonical

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

stabletravel-dev-api-flightaware-airports-id-canonical

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

stabletravel.dev/api/flights/status

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

stabletravel-dev-api-flights-status

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

stableenrich.dev/api/google-maps/place-details/partial

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

stableenrich-dev-api-google-maps-place-details-partial

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

Satring Service Edit API

[verified] [L402+x402+MPP] [live] 0 sats/free [-----] (0)

satring-service-edit-api

Update a service listing via PATCH with X-Edit-Token header. Token recovery via domain verification also available.

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