Attach a participant role-instance to a Context

POST

/participants

curl --request POST \
  --url https://quikstik-core.fly.dev/participants \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'Idempotency-Key: example' \
  --header 'x-tenant-id: 2489E9AD-2EE2-8E00-8EC9-32D5F69181C0' \
  --data '{ "context_id": "2489E9AD-2EE2-8E00-8EC9-32D5F69181C0", "context_kind": "booking", "person_id": "2489E9AD-2EE2-8E00-8EC9-32D5F69181C0" }'

• Production

Records a Participant in a Context (booking | offering | program). The person link is optional: a placeholder participant whose identity is captured later via a capability link is representable without inventing a Person prematurely (arch-033 §1.2).

Authorizations

• bearerAuth

Parameters

Header Parameters

x-tenant-id

required

string format: uuid

Tenant identifier (UUID).

Authn/authz semantics are intentionally TBD for this contract slice; this header exists to keep the contract explicitly multi-tenant from day 0.

Idempotency-Key

required

string

>= 1 characters

Idempotency key for the command envelope. A retry with the same key is a no-op.

Request Body^required

Media typeapplication/json

object

context_id

required

string format: uuid

context_kind

Provisions the Context on first write (existing kind untouched). Default booking.

string

Allowed values: booking offering program

person_id

Optional — a placeholder participant has no Person yet (arch-033 §1.2).

string format: uuid

nullable

Responses

202

Command accepted; the Participant identifier is assigned server-side

Media typeapplication/json

object

participant_id

required

string format: uuid

Example ^generated

{
  "participant_id": "2489E9AD-2EE2-8E00-8EC9-32D5F69181C0"
}

400

Malformed body

Media typeapplication/json

object

reason

required

string

Example ^generated

{
  "reason": "example"
}

401

Missing or invalid session bearer token

Media typeapplication/json

object

reason

required

Stable, machine-readable reason code (e.g. “sold_out”, “processor_not_configured”, “rail_refused”).

string

Example

{
  "reason": "sold_out"
}

403

The session’s effect authority does not cover this operation

Media typeapplication/json

object

reason

required

Stable, machine-readable reason code (e.g. “sold_out”, “processor_not_configured”, “rail_refused”).

string

Example

{
  "reason": "sold_out"
}

404

Expired, consumed, unknown, or unresolvable — indistinguishable by design

Media typeapplication/json

object

reason

required

string

Example ^generated

{
  "reason": "example"
}

503

No durable backend is wired for this operation (fail-closed)

Media typeapplication/json

object

reason

required

Stable, machine-readable reason code (e.g. “sold_out”, “processor_not_configured”, “rail_refused”).

string

Example

{
  "reason": "sold_out"
}