API Evangelist enhancements for Instacart Catalog Authentication Last Mile Delivery API

overlay: 1.0.0
info:
  title: API Evangelist enhancements for Instacart Catalog Authentication Last Mile Delivery API
  version: 1.0.0
extends: ./instacart-last-mile-delivery-api-openapi.yml
x-provenance:
  generated: '2026-08-27'
  method: generated
  source: API Evangelist enrichment pipeline; every value traces to a docs.instacart.com page cited in
    the action
  provider: instacart
actions:
- target: $.info
  description: Stamp API Evangelist provenance and link the derived artifacts in this repo.
  update:
    x-apievangelist-provider: instacart
    x-apievangelist-artifacts:
      conventions: conventions/instacart-conventions.yml
      errors: errors/instacart-problem-types.yml
      lifecycle: lifecycle/instacart-lifecycle.yml
      authentication: authentication/instacart-authentication.yml
      scopes: scopes/instacart-scopes.yml
      rate-limits: rate-limits/instacart-rate-limits.yml
      sandbox: sandbox/instacart-sandbox.yml
      conformance: conformance/instacart-conformance.yml
      mcp: mcp/instacart-mcp.yml
- target: $
  description: Record the runtime semantics Instacart documents in prose but does not express in the contract.
  update:
    x-rate-limit:
      status: 429
      headers: []
      note: Per-second threshold; no RateLimit-* headers and no Retry-After are published.
      docs: https://docs.instacart.com/developer_platform_api/api/error_and_status_codes
    x-idempotency:
      supported: false
      note: No idempotency key. Retrying a create duplicates the resource.
    x-deprecation-policy:
      minimum_notice: 6 months
      announced_in: product changelog
      sunset_header: false
      docs: https://docs.instacart.com/connect/api/fulfillment/deprecated
- target: $.components.securitySchemes
  description: Point each security scheme at the documented key/token management guidance.
  update:
    x-docs:
      developer_platform_api_keys: https://docs.instacart.com/developer_platform_api/get_started/api-keys
      developer_platform_key_rotation: https://docs.instacart.com/developer_platform_api/api/key-rotation
      connect_oauth: https://docs.instacart.com/connect/api/authentication
      connect_scopes: https://docs.instacart.com/connect/api/permissions_scopes
- target: $.paths['/v2/fulfillment/lastmile/users/{user_id}/orders'].post
  description: Record whether createLastMileOrder can be taken back, and inside what window.
  update:
    x-reversibility:
      reversal: cancelOrder
      window: order status must still be brand_new; once a shopper is assigned and status is acknowledged
        the order can no longer be cancelled
      grade: verified
      docs: https://docs.instacart.com/connect/api/fulfillment/delivery/cancel_order