generated: '2026-07-21'
method: derived
source: openapi/shapeshift-ethereum-openapi.json, openapi/shapeshift-bitcoin-openapi.json, openapi/shapeshift-solana-openapi.json
standards:
- id: openapi-3.0
  conforms: true
  evidence: all unchained chain APIs publish OpenAPI 3.0.0 at /swagger.json
- id: rest
  conforms: true
  evidence: resource-oriented /api/v1/{account,tx,send,fees,gas} endpoints over HTTPS
- id: json-rpc-2.0
  conforms: true
  evidence: POST /api/v1/jsonrpc passthrough with RPCRequest/RPCResponse schemas
    (EVM + Solana)
- id: rfc9457-problem-details
  conforms: false
  evidence: errors use custom JSON envelopes ({error} 400, {message,details} 422),
    not application/problem+json
- id: oauth2
  conforms: false
  evidence: no securitySchemes declared; API is public/key-free
- id: pagination-cursor
  conforms: true
  evidence: transaction history uses opaque base64 cursor + pageSize query params
- id: caip
  conforms: true
  evidence: first-party @shapeshiftoss/caip implements Chain Agnostic Improvement
    Proposals for chain/asset/account identifiers used across the platform