generated: '2026-08-04' method: searched source: https://lemoncash.mintlify.app/ note: >- Lemon Cash publishes no HTTP API, so the usual REST/HTTP standards (RFC 9457, OData, JSON:API, SCIM, pagination conventions) have no surface to conform to. The standards it does implement are Ethereum EIPs referenced by name in its own SDK docs, plus the Argentine virtual-asset regulatory regime it publishes registration under. standards: - id: eip-4361-siwe name: Sign-In with Ethereum conforms: true evidence: >- The authenticate function is documented as authenticating "using Sign In With Ethereum (SIWE)" and links https://eips.ethereum.org/EIPS/eip-4361. The returned `message` in the docs example is a literal SIWE statement with URI, Version, Chain ID, Nonce and Issued At fields. source: https://lemoncash.mintlify.app/functions/authenticate - id: eip-6492 name: Signature validation for pre-deploy contract wallets conforms: true evidence: >- "The authenticate method supports ERC-6492 for contract wallets that are not yet deployed." Docs link https://eips.ethereum.org/EIPS/eip-6492. source: https://lemoncash.mintlify.app/functions/authenticate - id: eip-155 name: Chain identifiers conforms: true evidence: The ChainId enum uses canonical EIP-155 chain ids (ETH 1, POLYGON 137, BASE 8453, POLYGON_AMOY 80002, …). source: https://lemoncash.mintlify.app/types/types - id: eip-20 name: ERC-20 token standard conforms: true evidence: ContractStandard enum declares ERC20; Permit fields describe ERC-20 token approvals. source: https://lemoncash.mintlify.app/types/types - id: permit2 name: Uniswap Permit2 signature-based approvals conforms: true evidence: >- callSmartContract accepts a `permits[]` array; the SDK generates the EIP-712 signature, handles the one-time ERC-20 approval to Permit2, and executes with the permit signature. Docs link the Uniswap Permit2 overview. source: https://lemoncash.mintlify.app/functions/call-smart-contract - id: eip-712 name: Typed structured data signing conforms: true evidence: '"The SDK automatically … 1. Generate the EIP-712 signature" for permits.' source: https://lemoncash.mintlify.app/functions/call-smart-contract - id: llms-txt name: llms.txt conforms: true evidence: A real llms.txt (and llms-full.txt) is served at the docs host with an H1, a Docs link list and an Optional section. source: https://lemoncash.mintlify.app/llms.txt - id: rfc9116-security-txt name: security.txt conforms: partial evidence: >- /.well-known/security.txt returns 200 with a Contact field, but has no Expires field (required by RFC 9116) and embeds instructions inside the Contact value rather than a bare URI. source: https://lemon.me/.well-known/security.txt - id: oauth2 conforms: false evidence: /.well-known/oauth-authorization-server returns 404; the SDK uses SIWE. - id: oidc conforms: false evidence: /.well-known/openid-configuration returns 404. - id: rfc9457-problem-details conforms: false evidence: No HTTP API surface. Errors are an SDK-level {message, code} envelope. - id: openapi conforms: false evidence: >- No OpenAPI at the docs host, the mintlify docs root, or api.lemoncash.io (which answers 400 to every anonymous path). The docs site's /api-reference/openapi.json returns the unmodified Mintlify "OpenAPI Plant Store" sample and was rejected. - id: asyncapi conforms: false evidence: No AsyncAPI document and no documented webhook surface. - id: a2a conforms: false evidence: No agent card at /.well-known/agent-card.json or /.well-known/agent.json on any Lemon host. - id: mcp conforms: false evidence: No hosted or published Model Context Protocol server found. regulatory: method: searched source: https://lemon.me/terms registrations: - regime: Argentina — Proveedor de Servicios de Activos Virtuales (PSAV) regulator: Comisión Nacional de Valores (CNV) entity: Bay Treasure Caramel S.A. identifier: CUIT 30-71753495-2 registration_number: '162' statement: >- "Bay Treasure Caramel S. A, CUIT 30-71753495-2, es un proveedor de servicios de activos virtuales (en adelante, 'PSAV') debidamente inscrito bajo el N° 162 en el Registro de PSAV de la Comisión Nacional de Valores (República Argentina)." source: https://lemon.me/terms related_entities: - {name: Digifin S.A., role: PSP/CP services (Argentina), note: '"Digifin S.A. no es una entidad financiera."'} - {name: Quaestus Advisory S.A., role: 'Agente Asesor Global de Inversión, AAGI N°1098/CNV'} - {name: Alpaca Securities LLC, role: 'US securities clearing and custody, member FINRA/SIPC'} jurisdiction_terms: note: Localized terms, privacy statements, risk disclosures and cookie policies are published per jurisdiction. jurisdictions: [Argentina, Peru, Brazil, Chile, Colombia, El Salvador, 'LATAM (Uruguay, Ecuador, Mexico)'] hub: https://lemon.me/terms transparency: proof_of_reserves: published: true kind: real-time on-chain proof of reserves plus proof of liabilities open_source: https://github.com/lemonatio/proof-of-liabilities implementation: Merkle Sum Trees license: MIT help_center: https://help.lemon.me/en/collections/3805314-transparencia-en-accion-proof-of-reserves-y-proof-of-liabilities status_component: '"Prueba de Reservas & Solvencia" is a monitored component on https://status.lemon.me/' certifications: published: [] note: No SOC 2, ISO 27001, PCI DSS, HIPAA or FedRAMP certification is published, and no trust center exists (trust.lemon.me and security.lemon.me do not resolve). The published compliance posture is the CNV PSAV registration and the proof-of-reserves program above. x-evidence: fetched: '2026-08-04' urls: - {url: 'https://lemoncash.mintlify.app/functions/authenticate', http_status: 200} - {url: 'https://lemoncash.mintlify.app/types/types', http_status: 200} - {url: 'https://lemon.me/terms', http_status: 200} - {url: 'https://lemoncash.mintlify.app/llms.txt', http_status: 200} - {url: 'https://lemoncash.mintlify.app/api-reference/openapi.json', http_status: 200, rejected: Mintlify default "OpenAPI Plant Store" sample} - {url: 'https://api.lemoncash.io/openapi.json', http_status: 400}