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lvlltd
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LVL LTD Agent Skill Market API
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Schema
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commerce
2
get
/api/health
Liveness
get
/api/ready
Readiness
get
/api/esp
ESP protocol — Evaluate → Settle → Prove
get
/api/judges
Recursive evaluator market (ESP judges)
get
/api/intent
NL intent → ranked skills
get
/api/shop
Unified agent entry
get
/catalog.json
Full skill catalog (source of truth)
get
/api/catalog
Search catalog
get
/api/pay
x402 payment challenge (HTTP 402)
post
/api/pay
Unlock sealed pack after Base USDC payment
get
/api/proof
On-chain unlock ledger — rows are self-funded test transactions, not customer purchases (never fabricated)
get
/api/mcp
MCP server info / tools list
post
/api/mcp
MCP JSON-RPC
get
/api/a2a
A2A agent card pointer
post
/api/a2a
A2A JSON-RPC
get
/.well-known/agent.json
Signed A2A Agent Card
get
/api/mandates
List AP2 mandates for wallet
post
/api/mandates
Create/revoke AP2 mandate
get
/api/agent-identity
ERC-8004 identity + local reputation (additive)
get
/api/access
Access resolution (one-time / sub / meter)
get
/api/subscribe
Recurring plans
post
/api/subscribe
Start/renew/cancel subscription
get
/api/meter
Meter budget / per-call challenge
post
/api/meter
Set cap or record metered use
get
/api/bundles
Composable skill stacks
get
/api/trust
Trust scorecards
get
/api/security
Security scan results
get
/api/eval
Eval suite scores
get
/api/signals
Confirmed demand signals
get
/api/revenue
Revenue rollup (confirmed only)
get
/skills/{id}/outline.json
Free skill outline
get
/skills/{id}/sample.md
Free skill sample
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Confirmed demand signals
get
/api/signals
Request
Base URL:
https://lvlltd.com
URL:
https://lvlltd.com/api/signals
Auth:
none declared
Response
OK
Changes
No recorded changes to this operation across all 1 revision of this API.