> ## Documentation Index
> Fetch the complete documentation index at: https://docs.atollhq.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Observe signed Vercel deployment event

> Verifies raw bytes before parsing, then authenticates canonical provider GETs. Does not deploy or mutate Vercel.



## OpenAPI

````yaml /openapi.json post /api/webhooks/vercel/{connectionId}
openapi: 3.1.0
info:
  title: Atoll API
  version: 1.0.0
  description: >-
    REST API for Atoll project management, agent collaboration, strategy
    tracking, and integrations.
servers:
  - url: https://atollhq.com
    description: Production
security:
  - bearerAuth: []
tags:
  - name: Authentication
  - name: Organizations
  - name: Projects
  - name: Project access
  - name: Issues
  - name: Issue details
  - name: Milestones
  - name: Artifacts
  - name: Strategy
  - name: Members and agents
  - name: Planning
  - name: Setup
  - name: Integrations and billing
  - name: Notifications and public
  - name: Private inbox
  - name: Agent executions
  - name: Human attention
paths:
  /api/webhooks/vercel/{connectionId}:
    post:
      tags:
        - Webhooks
      summary: Observe signed Vercel deployment event
      description: >-
        Verifies raw bytes before parsing, then authenticates canonical provider
        GETs. Does not deploy or mutate Vercel.
      operationId: observeVercelDeployment
      parameters:
        - name: connectionId
          in: path
          required: true
          schema:
            type: string
            format: uuid
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              description: Provider event payload. Maximum 256 KiB.
      responses:
        '200':
          description: Recorded, duplicate, or unsupported event skipped.
        '400':
          description: Malformed event.
        '401':
          description: Invalid signature.
        '404':
          description: Connection unavailable.
        '409':
          description: Configuration, replay, identity, or snapshot conflict.
        '413':
          description: Payload too large.
        '503':
          description: Provider or storage unavailable.
      security:
        - vercelWebhookSignature: []
components:
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: sk_atoll_<key>
    vercelWebhookSignature:
      type: apiKey
      in: header
      name: x-vercel-signature
      description: >-
        HMAC-SHA1 of the exact raw request bytes using the connection webhook
        secret.

````

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