generated: '2026-09-19' method: searched source: >- openapi/liquidagent-ai-openapi.yml (securitySchemes and per-operation x-payment blocks), live 402 responses from https://api.liquidagent.ai/v1/signals and /v1/gas, https://api.liquidagent.ai/.well-known/x402-resources, /.well-known/erc8004.json, /.well-known/agent-card.json, /v1/guide and /v1/gas?docs=1, all fetched 2026-09-19. standards: - id: x402 conforms: true domain_standard: true evidence: >- DECLARED IN THE CONTRACT: components.securitySchemes.x402 is {type: http, scheme: x402}; getV1Signals, postV1Publish, postV1Gas and postV1GasSolana carry x-payment / x-payment-info blocks with scheme exact, network eip155:8453 (and eip155:137 / solana), asset, payTo. OBSERVED LIVE: an unpaid GET /v1/signals returns HTTP 402 with a JSON body {x402Version: 2, error, resource, accepts[{scheme: exact, network, amount, maxAmountRequired, asset, payTo, maxTimeoutSeconds}], extensions.bazaar} and the same document base64 in both PAYMENT-REQUIRED and X-PAYMENT-REQUIRED headers. /.well-known/x402-resources publishes the v2 resource catalog. The contract, not a marketing page, declares the standard. - id: eip-3009 conforms: true evidence: >- Payment authorization is EIP-3009 transferWithAuthorization on USDC (securitySchemes.x402.description; accepts[].extra {name USD Coin, version 2, verifyingContract}). - id: siwx-eip-4361 conforms: true evidence: >- components.securitySchemes.siwx is an apiKey scheme in header SIGN-IN-WITH-X described as "Sign-In with X wallet identity (EIP-4361). Optional; no payment", applied to the 11 free operations. - id: erc-4626 conforms: true domain_standard: true evidence: >- Vaults minted by post_v1_create-vault are ERC-4626 tokenized vaults (agent card skill create-vault "Mint your own isolated ERC-4626 vault"; llms.txt; README). Shares are the LQMAG4 token transferred by post_v1_send. - id: eip-2612 conforms: true evidence: >- post_v1_buy builds a depositWithPermit transaction from an EIP-2612 permit; the first call returns EIP-712 typedData to sign off-chain (operation description; /v1/guide step 6). - id: eip-712 conforms: true evidence: >- post_v1_buy (permit typedData) and postV1Gas (userOperation typedData) return EIP-712 typed data for eth_signTypedData_v4 (operation descriptions; /v1/gas?docs=1). - id: erc-4337 conforms: true domain_standard: true evidence: >- postV1Gas is an ERC-4337 paymaster for EntryPoint v0.8 (0x4337084D9E255Ff0702461CF8895CE9E3b5Ff108), paymaster 0x9676897C3BF08977Cdbe78213F84e72A29b844eC (GET /v1/gas?docs=1 entryPoints/paymasters; operation description). - id: erc-7677 conforms: true domain_standard: true evidence: >- postV1Gas requestBody oneOf[0] is the ERC-7677 JSON-RPC shape with method enum pm_getPaymasterStubData / pm_getPaymasterData / pm_supportedEntryPoints; an unpaid pm_getPaymasterData returns JSON-RPC error {code 402, data x402 PaymentRequired}. - id: eip-7702 conforms: true evidence: >- The direct lane delegates a plain EOA to Simple7702Account (0xe6Cae83BdE06E4c305530e199D7217f42808555B) via an EIP-7702 authorization the caller signs; redelegate:true re-points an already-delegated wallet (postV1Gas description; /v1/gas?docs=1 directLane). - id: erc-8004 conforms: true domain_standard: true evidence: >- /.well-known/erc8004.json is a registration-v1 document (type https://eips.ethereum.org/EIPS/eip-8004#registration-v1) declaring agentId 74094 on registry eip155:8453:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432; /v1/guide addresses.onchainIdentity repeats it. - id: erc-8021 conforms: true evidence: >- Every returned calldata ends with an ERC-8021 attribution suffix (Base Builder Code) that contracts ignore (/v1/guide signing.how). - id: a2a-agent-card conforms: false evidence: >- /.well-known/agent-card.json is served and parses, but lacks protocolVersion and any transport declaration and points url at the REST root; graded flavored against A2A 1.0.0 in a2a/liquidagent-ai-a2a.yml. - id: llms-txt conforms: true evidence: >- https://api.liquidagent.ai/llms.txt (200, text/plain) in llms.txt format; saved verbatim to llms/. - id: agents-txt conforms: true evidence: >- https://api.liquidagent.ai/agents.txt (200) declares the A2A card plus x- extension lines per https://agents-txt.com. - id: openapi-3.1 conforms: true evidence: >- https://api.liquidagent.ai/openapi.json is openapi 3.1.0 with 15 paths / 17 operations, every operation carrying operationId, summary, description, tags and a 200 plus 400 or 402 response. - id: oauth2 conforms: false evidence: >- No oauth2 securityScheme; /.well-known/oauth-authorization-server and /.well-known/oauth-protected-resource 404 on every host. - id: oidc-discovery conforms: false evidence: >- /.well-known/openid-configuration 404 on every host. - id: rfc9116-security-txt conforms: false evidence: >- /.well-known/security.txt 404 on api.liquidagent.ai, liquidagent.ai and www.liquidagent.ai. - id: rfc9727-api-catalog conforms: false evidence: >- /.well-known/api-catalog 404 on every host. - id: rfc9457-problem-details conforms: false evidence: >- Errors are application/json; the contract declares 400 as {error: string} and the live 404 envelope is {success:false, error:{code,message,requestId,help}}. No application/problem+json anywhere. See errors/liquidagent-ai-problem-types.yml. - id: rfc8594-sunset-header conforms: false evidence: >- No Deprecation/Sunset headers, no deprecation policy, no deprecated operations. - id: rfc6585-rate-limit-signaling conforms: false evidence: >- No 429 declared and no RateLimit-*/X-RateLimit-* headers observed on live 200/402 responses. See rate-limits/liquidagent-ai-rate-limits.yml. - id: mcp conforms: false evidence: >- No MCP server (POST /mcp 404, mcp.liquidagent.ai NXDOMAIN, no package); see mcp/liquidagent-ai-mcp.yml. - id: apis-json conforms: false evidence: >- /apis.json, /apis.yml and /.well-known/apis.json 404 on every host. domain_standard_signature: note: >- The contract itself declares its market's standards rather than a prose page claiming them: the x402 securityScheme and per-operation x-payment blocks (agentic commerce), the ERC-7677 JSON-RPC requestBody shape and EntryPoint v0.8 paymaster (account abstraction), ERC-4626 vault semantics in the operation descriptions (DeFi vaults) and the ERC-8004 registration file (on-chain agent identity). None of these appears in a Kin Score regime standards[] list today; recorded reward-only. compliance_program: published: false note: No SOC 2 / ISO 27001 / audit or trust page was found on any host; no Compliance pointer is emitted.