---
title: "GET /v2/parties/participant-id"
method: GET
path: "/v2/parties/participant-id"
---

# GET /v2/parties/participant-id

`GET /v2/parties/participant-id`

Return the identifier of the participant.
All horizontally scaled replicas should return the same id.
daml-on-kv-ledger: returns an identifier supplied on command line at launch time
canton: returns globally unique identifier of the participant

## Response `200`

- GetParticipantIdResponse
  - `participantId` string, required — Identifier of the participant, which SHOULD be globally unique. Must be a valid LedgerString (as describe in ``value.proto``). Required

## Other responses

- `400` — Invalid value
- `default`

---

[API](https://skmtc.dev/canton/apis/json-ledger-api-http-endpoints.md) · [All operations](https://skmtc.dev/canton/apis/json-ledger-api-http-endpoints/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/canton/json-ledger-api-http-endpoints/revisions/296292e8b8f1/schema)