> ## Documentation Index > Fetch the complete documentation index at: https://docs.batchrelay.com/llms.txt > Use this file to discover all available pages before exploring further. # Apply one reviewed bulk athlete team change > Requires an active studio-owned API account with the event_teams:write scope. Submit only the confirmation returned by prepare plus a stable command_id. Convex atomically rechecks the confirmation fingerprint and current roster. A stale or already-invalid confirmation returns 409; clients must prepare a new review rather than retrying it. ## OpenAPI ````yaml https://api.batchrelay.com/openapi.json post /v1/event-team-changes/apply openapi: 3.1.0 info: description: >- Provider-neutral print catalog and prepared-media validation. This document covers only routes owned by the Go service; it deliberately excludes migration-proxied order lifecycle routes and all provider payloads. license: name: Proprietary url: https://github.com/SENTINELITE/Batch-Relay-Go/blob/main/README.md title: Batch Relay API version: 1.0.1 servers: - url: https://api.batchrelay.com security: [] tags: - description: Service health and the public API description. name: System - description: Test Mode session creation and API credential entry points. name: Authentication - description: >- Provider-neutral canonical catalog resources and platform-owned semantic definitions. name: Catalog - description: Studio-scoped guest checkout-link management. name: Checkout links - description: >- One-way operational event messages. Alert emails contain no message body and recipients read messages after Batch Relay authentication. name: Studio messages - description: >- Explicit, reviewable sandbox-to-Live promotion plans for forms, catalog, and storefront configuration. name: Sandbox promotions - description: Provider-neutral validation, quoting, and order lifecycle operations. name: Print orders - description: Managed fulfillment asset ingestion and metadata. name: Managed assets - description: Studio-scoped original asset upload sessions and objects. name: Studio assets - description: Prepared and confirmed event roster team changes. name: Event team changes - description: Authenticated studio, event, and form-management operations. name: Studio management - description: >- Authenticated studio retail catalog management. Draft and publication lifecycles are explicit per product or package. name: Studio catalog - description: >- Authenticated singular storefront assortment management. PATCH atomically publishes a new immutable assortment revision; no storefront draft lifecycle exists yet. name: Storefront - description: Managed media used by the studio retail catalog. name: Studio catalog assets - description: Template rendering job creation and retrieval. name: Template renders - description: >- Published browser-side template packages and short-lived server proof renders. Preview artifacts are never fulfillment artwork. name: Browser previews - description: API account and credential administration. name: API accounts paths: /v1/event-team-changes/apply: parameters: - $ref: '#/components/parameters/ClientSurface' - $ref: '#/components/parameters/ClientVersion' - $ref: '#/components/parameters/InvocationMode' post: tags: - Event team changes summary: Apply one reviewed bulk athlete team change description: >- Requires an active studio-owned API account with the event_teams:write scope. Submit only the confirmation returned by prepare plus a stable command_id. Convex atomically rechecks the confirmation fingerprint and current roster. A stale or already-invalid confirmation returns 409; clients must prepare a new review rather than retrying it. operationId: applyEventTeamChange requestBody: content: application/json: schema: $ref: '#/components/schemas/EventTeamChangeApplyRequest' required: true responses: '200': content: application/json: schema: $ref: '#/components/schemas/EventTeamChangeApplyResult' description: Authoritative applied event-team projection '400': $ref: '#/components/responses/EventTeamChangeInvalid' '401': $ref: '#/components/responses/APIKeyAuthenticationRequired' '403': $ref: '#/components/responses/EventTeamChangeForbidden' '409': $ref: '#/components/responses/EventTeamChangeConflict' '502': $ref: '#/components/responses/EventTeamChangeFailed' '503': $ref: '#/components/responses/EventTeamChangeUnavailable' security: - bearerAuth: [] components: parameters: ClientSurface: description: >- Untrusted optional analytics hint naming the calling client surface. It never affects authorization, routing, pricing, or behavior. in: header name: X-BatchRelay-Client-Surface required: false schema: maxLength: 100 minLength: 1 type: string ClientVersion: description: >- Untrusted optional analytics hint naming the calling client version. It never affects authorization, routing, pricing, or behavior. in: header name: X-BatchRelay-Client-Version required: false schema: maxLength: 100 minLength: 1 type: string InvocationMode: description: >- Untrusted optional analytics hint naming the invocation mode. It never affects authorization, routing, pricing, or behavior. in: header name: X-BatchRelay-Invocation-Mode required: false schema: maxLength: 100 minLength: 1 type: string schemas: EventTeamChangeApplyRequest: additionalProperties: false properties: command_id: description: >- Caller-stable command identifier for the authoritative apply operation. minLength: 1 type: string confirmation_fingerprint: minLength: 1 type: string confirmation_id: minLength: 1 type: string event_id: minLength: 1 type: string event_team_id: minLength: 1 type: string required: - event_id - confirmation_id - confirmation_fingerprint - command_id type: object EventTeamChangeApplyResult: additionalProperties: true description: >- Authoritative event-team apply projection returned by Convex. Fields are intentionally not synthesized by the Go API. type: object Error: additionalProperties: false properties: code: description: Stable machine-readable error code. type: string docs_url: format: uri type: string error: description: Backward-compatible human-readable error. type: string message: type: string request_id: type: string required: - error - code - message - docs_url - request_id type: object responses: EventTeamChangeInvalid: content: application/json: schema: $ref: '#/components/schemas/Error' description: >- The event-team change body was malformed, contained unknown fields, or selected an invalid number of athlete event entries. APIKeyAuthenticationRequired: content: application/json: schema: $ref: '#/components/schemas/Error' description: A valid Batch Relay API key or anonymous Test Mode session is required. EventTeamChangeForbidden: content: application/json: schema: $ref: '#/components/schemas/Error' description: >- The API key lacks event_teams:write or is not owned by a studio authorized for the event-team change. EventTeamChangeConflict: content: application/json: schema: $ref: '#/components/schemas/Error' description: >- The prepared confirmation is stale, expired, already consumed, or no longer matches the current roster. Prepare a new review. EventTeamChangeFailed: content: application/json: schema: $ref: '#/components/schemas/Error' description: >- The authoritative event-team change store could not complete this request. EventTeamChangeUnavailable: content: application/json: schema: $ref: '#/components/schemas/Error' description: The event-team change store is not configured on this deployment. securitySchemes: bearerAuth: bearerFormat: Batch Relay API key or anonymous session description: >- Batch Relay scoped API key or an anonymous Test Mode session. Scope names document required capabilities. Anonymous sessions are sandbox-only and do not authorize studio, event, billing, or Live Mode operations. scheme: bearer type: http ````