SouthendOnSea.city

Southend Now Public Data API

Unauthenticated, source-linked current and historical Southend-on-Sea observations covering weather, designated bathing waters, marine conditions, modelled air quality and flood alerts. Three operations — current snapshot, JSON history, CSV history.

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OpenAPI Specification

openapi: 3.0.3
info:
  title: Southend Now public data API
  version: 1.0.0
  description: Unauthenticated, source-linked current and historical Southend-on-Sea observations covering
    weather, designated bathing waters, marine conditions, modelled air quality and flood alerts. Values
    retain their original source attribution and limitations.
  contact:
    name: SouthendOnSea.city editorial desk
    url: https://southendonsea.city/contact
  license:
    name: Source-specific terms; API structure and documentation CC BY 4.0
    url: https://southendonsea.city/data/reuse
  x-apisguru-categories:
  - open_data
  - location
  x-logo:
    url: https://southendonsea.city/southend-city-email-brand.png
    backgroundColor: '#ffffff'
externalDocs:
  description: Citation, provenance and responsible reuse guidance
  url: https://southendonsea.city/data/reuse
servers:
- url: https://southendonsea.city/
  description: Production
tags:
- name: Southend Now
  description: Current and archived source-linked city observations
paths:
  /api/southend-now:
    get:
      tags:
      - Southend Now
      operationId: getSouthendNow
      summary: Get the current Southend Now snapshot
      description: Returns the latest assembled snapshot. Check `generatedAt`, per-section `available`
        flags, source URLs and the source-specific terms before reuse.
      responses:
        '200':
          description: Current source-linked snapshot
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/CurrentSnapshot'
        '503':
          description: No current snapshot could be assembled
  /api/southend-now/history:
    get:
      tags:
      - Southend Now
      operationId: getSouthendNowHistoryIndex
      summary: List archived snapshot dates
      responses:
        '200':
          description: Archive index
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HistoryIndex'
  /api/southend-now/history.csv:
    get:
      tags:
      - Southend Now
      operationId: downloadSouthendNowHistoryCsv
      summary: Download the historical archive as CSV
      responses:
        '200':
          description: UTF-8 CSV archive
          content:
            text/csv:
              schema:
                type: string
components:
  schemas:
    CurrentSnapshot:
      type: object
      required:
      - name
      - licenceNote
      - refreshIntervalSeconds
      - generatedAt
      - beaches
      - weather
      - air
      - marine
      - flood
      properties:
        name:
          type: string
          example: Southend Now
        licenceNote:
          type: string
        refreshIntervalSeconds:
          type: integer
          example: 1800
        generatedAt:
          type: string
          format: date-time
        beaches:
          type: array
          items:
            $ref: '#/components/schemas/Beach'
        weather:
          $ref: '#/components/schemas/ObservationGroup'
        air:
          $ref: '#/components/schemas/ObservationGroup'
        marine:
          $ref: '#/components/schemas/ObservationGroup'
        flood:
          $ref: '#/components/schemas/ObservationGroup'
    Beach:
      type: object
      required:
      - slug
      - name
      - sourceUrl
      - available
      properties:
        slug:
          type: string
        name:
          type: string
        sourceUrl:
          type: string
          format: uri
        available:
          type: boolean
        status:
          type: string
          nullable: true
        statusLabel:
          type: string
          nullable: true
        classification:
          type: string
          nullable: true
        classificationYear:
          type: integer
          nullable: true
        latestSampleAt:
          type: string
          nullable: true
        latitude:
          type: number
          format: double
          nullable: true
        longitude:
          type: number
          format: double
          nullable: true
      additionalProperties: true
    ObservationGroup:
      type: object
      required:
      - available
      - sourceUrl
      properties:
        available:
          type: boolean
        sourceUrl:
          type: string
          format: uri
        observedAt:
          type: string
          nullable: true
      additionalProperties: true
    HistoryIndex:
      type: object
      required:
      - name
      - count
      - dates
      properties:
        name:
          type: string
          example: Southend Now daily archive
        count:
          type: integer
          minimum: 0
        dates:
          type: array
          items:
            type: string
            format: date