| secret key, test mode | sk_test_ | a buyer | order, read, accept, send back, cancel, end, watch, and run test clocks | API, CLI, MCP, SDK | no | bearer |
| secret key | sk_live_ | a buyer | order, read, accept, send back, cancel, end, watch | API, CLI, MCP, SDK | no | bearer |
| delegated key | dlg_ | an agent a party delegated, scoped by Service and time | order within its cap; complete answer and upload asks; read that party's jobs | API, MCP, SDK | no | bearer |
| party link | an ask's url | the named party, with no account | complete that one ask, once | API | yes | link |
| member session | ms_ session | a member, in the delivery portal or the member CLI | every member act: join, set availability, keep their conflicts ledger, read their feed, claim, clear and do a Task | API, CLI | yes | session |
| tenant key | tk_ | an integrator, with On-Behalf-Of | order for its customer; read with consent | API, SDK | no | bearer |
| owner session | — | the owner and staff roles | the console, staff acts | API, CLI | yes | session |
| verifier token | vt_ | a Pool's or the brand's verifier | write verified facts | API | no | bearer |
| webhook secret | whsec_ | a watch | verify deliveries | SDK | no | signature |