___  __ _| |_ _ __(_)_ __   __ _
/ __|/ _` | __| '__| | '_ \ / _` |
\__ \ (_| | |_| |  | | | | | (_| |
|___/\__,_|\__|_|  |_|_| |_|\__, |
                             |___/
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]
Satring Directory API
[verified] [L402+x402+MPP] [confirmed] 0 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.
#search #tools
Singularity Servers
[verified] [x402] [live] 0 sats/per-request [-----] (0)
singularity-servers
On-demand Persistent Linux VPS for agents. Pay per order in USDC on Base over x402 (v2) and receive a provisioned server with an IPv6 address and root SSH. No account or API key.
#tools
47620 Base Gas Price
[verified] [x402] [live] 0 sats/per-request [-----] (0)
47620-base-gas-price
Live Base (eip155:8453) gas price right now: base fee plus priority fee (gwei) and fast/standard tiers. A primitive for agents deciding WHEN to submit a Base transaction. x402 / USDC on Base, no signup, no API key.
#tools #data
47620 MCP Server Trust Check
[verified] [x402] [live] 0 sats/per-request [-----] (0)
47620-mcp-server-trust-check
Trust-check any MCP server before your agent connects: reachability, MCP JSON-RPC handshake, HTTPS/TLS, advertised tool inventory, and risky-capability flags (shell/file/exec/network) plus prompt-injection and tool-poisoning signals. Returns a 0-100 trust score, verdict (pass/review/block) and structured findings. Use it as a pre-connect gate for agent-to-agent and MCP tool discovery. x402 / USDC, no API key.
#tools #ai/ml
WebberSites Data & Tools API
[verified] [L402+x402] [confirmed] 2 sats/per-request [-----] (0)
webbersites-data-tools-api
75 pay-per-call endpoints for AI agents: LLM inference (no API key), SEO/schema/accessibility audits, web scraping & extraction, image generation & vectorization, crypto prices, DNS/geo/email intel, uptime monitoring, exact math/stats/finance, code lint, QR/barcodes, and wallet-owned agent memory. Dual rail: USDC on Base (x402) on every 402; Bitcoin Lightning (L402) when you opt in with the X-Pay-With: l402 header. Catalogs: /.well-known/l402.json and /openapi.json. Human docs + live 2-sat demo: https://l402.webbersites.com
#data #tools
Satring Bulk Export
[verified] [L402+x402+MPP] [confirmed] 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.
#data #tools
47620 Polygon Network Health
[verified] [x402] [live] 0 sats/per-request [-----] (0)
47620-polygon-network-health
Live Polygon (eip155:137) network health for AI agents: latest block number, gas price (gwei), chain status and liveness. A cheap pay-per-call primitive for gas-aware transaction routing and 'is Polygon healthy?' preflight checks. x402 / USDC, no signup, no API key.
#data #tools
47620 Base Network Health
[verified] [x402] [live] 0 sats/per-request [-----] (0)
47620-base-network-health
Live Base (eip155:8453) network health for AI agents: latest block number, base fee and priority gas price (gwei), chain status and liveness. A cheap pay-per-call primitive for gas-aware transaction routing and 'is Base healthy?' preflight checks. x402 / USDC on Base, no signup, no API key.
#data #tools
47620 Solana Network Health
[verified] [x402] [live] 0 sats/per-request [-----] (0)
47620-solana-network-health
Live Solana network health for AI agents: current slot, epoch, TPS, block height, validator count and SOL price. A cheap pay-per-call primitive for liveness checks and congestion-aware routing. x402 / USDC, no signup, no API key.
#data #tools
Satring Service Edit API
[verified] [L402+x402+MPP] [confirmed] 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.
#tools
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.
#tools