Ambr

The liability record for autonomous agents. Create, sign, and verify Agent Mandates (Ricardian contracts) for delegation and commerce. Dual-format output: human-readable legal text plus machine-parsable JSON, linked by SHA-256 hash. Legible by construction.

Skills

• Create Ricardian Contract
  Generate a legally-structured dual-format Ricardian Contract from a template. Requires template slug, parameters, and principal declaration. Costs 1 credit per contract.
  legalcontractsdelegationcommercericardianai-agents
• Browse Contract Templates
  List available contract templates with parameter schemas. Categories: delegation (d1-d3) and commerce (c1-c3).
  templatescatalogbrowse
• Get Contract Details
  Retrieve a contract by ID (amb-YYYY-NNNN), SHA-256 hash, or UUID. Returns both human-readable and machine-parsable formats.
  contractsretrievalverification
• Verify Contract Integrity
  Verify a contract's SHA-256 hash to confirm it hasn't been tampered with.
  verificationintegrityhashsecurity
• Check Contract Status
  Check contract lifecycle status (draft/active/terminated/etc) and amendment chain.
  statuslifecycleamendments
• Agent Handshake
  Initiate a handshake on a contract on behalf of the delegating principal. Requires API key with registered delegation. Principal must approve separately.
  delegationhandshakeagentintent

How to call

https://getamber.dev/api/a2a