> ## Documentation Index > Fetch the complete documentation index at: https://docs.arcuserp.com/llms.txt > Use this file to discover all available pages before exploring further. # Update a webhook endpoint > Updates one or more fields on the webhook endpoint. Only supplied fields are changed (partial update). Send `enabled_events: ["order.*"]` to change the subscription list. Send `status: "paused"` to temporarily suspend deliveries. **Field names:** use `enabled_events` (Stripe convention). The deprecated alias `events` is accepted for back-compat and produces a CloudWatch deprecation warning. Requires `webhooks:manage` scope. ## OpenAPI ````yaml /openapi.yaml patch /webhook_endpoints/{id} openapi: 3.1.0 info: title: Arcus ERP Public API version: 1.0.0 description: > Arcus ERP public REST API. Designed for external integrations and data migration. **Authentication.** Bearer token (API key) via the `Authorization` header. Format: `Authorization: Bearer ark_live_ent__` (or `ark_test_*` for sandbox). API keys are issued per-entity in **Settings > Developers > API Keys**. **Entity scoping.** The entity is encoded in the API key prefix; routes are flat (e.g. `/v1/accounts`, `/v1/orders`, `/v1/products`). A small set of platform endpoints (migration, reconciliation, events, webhook endpoints, API keys) use the `/v1/entities/{entity_id}/...` form -- those are noted in their tags. **Key capabilities.** - Related-resource hydration via `?expand[]=` (see `x-arcus-expand` on each resource). - Cursor-based pagination (`starting_after` / `ending_before` / `limit`). - Idempotency via the `Idempotency-Key` header. - Webhook events for asynchronous notification. - Conditional requests / ETag for cache validation. servers: - url: https://api.arcuserp.com/v1 description: Arcus ERP API (accepts both live `ark_live_*` and test `ark_test_*` keys) - url: https://dev-api.arcuserp.com/v1 description: >- Dev sandbox API (test-only data, accepts `ark_test_*` keys against dev RDS) security: [] paths: /webhook_endpoints/{id}: parameters: - name: id in: path required: true schema: type: string format: uuid description: Webhook endpoint ID. patch: tags: - Webhooks summary: Update a webhook endpoint description: > Updates one or more fields on the webhook endpoint. Only supplied fields are changed (partial update). Send `enabled_events: ["order.*"]` to change the subscription list. Send `status: "paused"` to temporarily suspend deliveries. **Field names:** use `enabled_events` (Stripe convention). The deprecated alias `events` is accepted for back-compat and produces a CloudWatch deprecation warning. Requires `webhooks:manage` scope. operationId: updateWebhookEndpointV1 requestBody: required: true content: application/json: schema: type: object properties: url: type: string format: uri enabled_events: type: array items: type: string description: >- Replace the subscription list. Must be non-empty if provided. events: type: array items: type: string description: >- **Deprecated.** Use `enabled_events`. Accepted for back-compat; removed in v2. description: type: string nullable: true status: type: string enum: - active - paused - disabled api_version: type: string nullable: true metadata: type: object responses: '200': description: Updated webhook endpoint record content: application/json: schema: $ref: '#/components/schemas/WebhookEndpoint' '401': $ref: '#/components/responses/Error' '403': $ref: '#/components/responses/Error' '404': $ref: '#/components/responses/Error' '422': $ref: '#/components/responses/Error' security: - ApiKeyAuth: [] components: schemas: WebhookEndpoint: type: object description: > An outbound webhook endpoint subscription. Arcus delivers signed JSON payloads to the `url` whenever a subscribed event fires. **Field names:** the subscription list is `enabled_events` (Stripe convention). The deprecated alias `events` is accepted in request bodies for back-compat and will be removed in v2. properties: id: type: string format: uuid object: type: string enum: - webhook_endpoint entity_id: type: string format: uuid url: type: string format: uri description: HTTPS endpoint receiving events. description: type: string nullable: true enabled_events: type: array items: type: string description: > Event types this endpoint subscribes to. Wildcards supported: `*` (all 118 events) or `.*` (e.g. `order.*`). example: - order.confirmed - payment.succeeded - fulfillment.shipped secret_last4: type: string nullable: true description: Last 4 hex chars of the signing secret (for identification only). status: type: string enum: - active - paused - disabled description: >- `active` receives events; `paused` skips delivery (retains subscription); `disabled` is permanently off. mode: type: string enum: - live - test description: >- `live` endpoints receive production events; `test` endpoints receive test-mode events only. api_version: type: string nullable: true success_count: type: integer description: Total successful deliveries (HTTP 2xx). failure_count: type: integer description: Total failed deliveries (non-2xx or timeout). consecutive_failure_count: type: integer description: >- Consecutive failures since last success. 5+ consecutive failures auto-pauses the endpoint. last_delivery_at: type: string format: date-time nullable: true created_at: type: string format: date-time metadata: type: object description: Arbitrary key-value pairs stored by the creator. ErrorEnvelope: type: object description: | Canonical error response envelope. All API errors use this shape. required: - error - code properties: error: type: string description: Machine-readable error key example: not_found code: type: string description: Machine-readable error code (often same as error) example: not_found type: type: string enum: - validation_error - permission_error - not_found - conflict - rate_limit - internal - expand_error - not_implemented example: not_found hint: type: string description: Human-readable one-sentence explanation (English) example: >- The requested order does not exist or does not belong to this entity. param: type: string description: The parameter that caused the error, if applicable example: expand[0] required: type: string description: The scope required (only on insufficient_scope errors) example: accounts:read request_id: type: string description: >- Unique request ID for support tracing (maps to CloudWatch log stream) example: req_abc123 responses: Error: description: Error response (400/401/403/404/409/422/429/500) content: application/json: schema: $ref: '#/components/schemas/ErrorEnvelope' securitySchemes: ApiKeyAuth: type: http scheme: bearer description: | API key issued per entity via Settings > Developers > API Keys. Each key carries scopes (e.g. orders:read, products:write). Bearer token format: Authorization: Bearer ark_live_ent__ Test keys use ark_test_ent__. Both are issued per entity via Settings > Developers > API Keys. ````