overlay: 1.0.0
info:
  title: API Evangelist enhancements for Syndicate Transaction Cloud
  version: 1.0.0
extends: openapi/syndicate-transaction-cloud-openapi-original.yml
actions:
- target: $.info
  update:
    x-apievangelist-enriched: '2026-07-21'
    x-provider: Syndicate
    x-product: Transaction Cloud
    x-backed-by: a16z crypto
    x-idempotency:
      supported: true
      mechanism: requestId (transactions) / signatureId (signatures)
      note: >-
        Optional client-supplied UUID makes send/sign operations idempotent;
        a duplicate id returns HTTP 409.
- target: $.info
  update:
    description: >-
      Syndicate Transaction Cloud REST API. Broadcast and monitor EVM
      transactions, sign EIP-191 and EIP-712 messages, manage projects,
      authorize contracts and function signatures, allowlist IP ranges, and
      read project wallets. Authentication is HTTP Bearer (API key). Wallets and
      private keys are managed in HSM enclaves.
- target: $.servers
  update:
  - url: https://api.syndicate.io
    description: Production