fourzerotwo-si Uk Flood API
UK Flood & River Levels: Live flood warnings, flood areas, river, sea and rainfall gauges across England from the Environment Agency.
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OpenAPI Specification
openapi: 3.2.0
info:
title: Fourzerotwo Si Uk Flood API
version: 1.1.0
contact:
url: https://fourzerotwo.si
description: 'Operations tagged uk-flood across 2 of this provider''s published API definitions: openapi.json, fourzerotwo-si-openapi.json. Each path carries the servers of the definition it was published in.'
servers:
- url: https://fourzerotwo.si
tags:
- name: uk-flood
description: 'UK Flood & River Levels: Live flood warnings, flood areas, river, sea and rainfall gauges across England from the Environment Agency.'
paths:
/v1/uk-flood/warnings:
get:
operationId: uk_flood__warnings
summary: 'UK Flood & River Levels: Flood warnings in force'
description: 'Every flood alert and warning currently in force in England. Price: $0.002 USDC per call via x402. Free within the daily allowance with a free key.'
tags:
- uk-flood
externalDocs:
url: https://fourzerotwo.si/apis/uk-flood/warnings
responses:
'200':
description: The data (paid, or free tier).
content:
application/json: {}
'402':
$ref: '#/components/responses/PaymentRequired'
'400':
$ref: '#/components/responses/Error'
'404':
$ref: '#/components/responses/Error'
'502':
$ref: '#/components/responses/Error'
security:
- {}
- freeKey: []
x-price-usd: '0.002000'
x-free-tier: free
x-mcp-tool: uk-flood__warnings
servers:
- url: https://fourzerotwo.si
/v1/uk-flood/warnings-near:
get:
operationId: uk_flood__warnings_near
summary: 'UK Flood & River Levels: Flood warnings near a point'
description: 'Flood alerts and warnings in force within a radius of a point. Price: $0.002 USDC per call via x402. Free within the daily allowance with a free key.'
tags:
- uk-flood
externalDocs:
url: https://fourzerotwo.si/apis/uk-flood/warnings-near
parameters:
- name: lat
in: query
required: true
description: Latitude
schema:
type: string
example: '51.4'
- name: long
in: query
required: true
description: Longitude
schema:
type: string
example: '-0.3'
- name: dist
in: query
required: false
description: Radius in km (default 5)
schema:
type: integer
example: 10
responses:
'200':
description: The data (paid, or free tier).
content:
application/json: {}
'402':
$ref: '#/components/responses/PaymentRequired'
'400':
$ref: '#/components/responses/Error'
'404':
$ref: '#/components/responses/Error'
'502':
$ref: '#/components/responses/Error'
security:
- {}
- freeKey: []
x-price-usd: '0.002000'
x-free-tier: free
x-mcp-tool: uk-flood__warnings-near
servers:
- url: https://fourzerotwo.si
/v1/uk-flood/severe-warnings:
get:
operationId: uk_flood__severe_warnings
summary: 'UK Flood & River Levels: Severe flood warnings'
description: 'Only severe flood warnings (danger to life) and flood warnings currently in force. Price: $0.002 USDC per call via x402. Free within the daily allowance with a free key.'
tags:
- uk-flood
externalDocs:
url: https://fourzerotwo.si/apis/uk-flood/severe-warnings
responses:
'200':
description: The data (paid, or free tier).
content:
application/json: {}
'402':
$ref: '#/components/responses/PaymentRequired'
'400':
$ref: '#/components/responses/Error'
'404':
$ref: '#/components/responses/Error'
'502':
$ref: '#/components/responses/Error'
security:
- {}
- freeKey: []
x-price-usd: '0.002000'
x-free-tier: free
x-mcp-tool: uk-flood__severe-warnings
servers:
- url: https://fourzerotwo.si
/v1/uk-flood/flood-area:
get:
operationId: uk_flood__flood_area
summary: 'UK Flood & River Levels: Flood area'
description: 'Description, river or sea and polygon reference for one flood area. Price: $0.001 USDC per call via x402. Free within the daily allowance with a free key.'
tags:
- uk-flood
externalDocs:
url: https://fourzerotwo.si/apis/uk-flood/flood-area
parameters:
- name: area
in: query
required: true
description: Flood area code
schema:
type: string
example: 062WAF38Brent
responses:
'200':
description: The data (paid, or free tier).
content:
application/json: {}
'402':
$ref: '#/components/responses/PaymentRequired'
'400':
$ref: '#/components/responses/Error'
'404':
$ref: '#/components/responses/Error'
'502':
$ref: '#/components/responses/Error'
security:
- {}
- freeKey: []
x-price-usd: '0.001000'
x-free-tier: free
x-mcp-tool: uk-flood__flood-area
servers:
- url: https://fourzerotwo.si
/v1/uk-flood/station:
get:
operationId: uk_flood__station
summary: 'UK Flood & River Levels: Gauge details'
description: 'Location, river, typical range and measures for one monitoring station. Price: $0.001 USDC per call via x402. Free within the daily allowance with a free key.'
tags:
- uk-flood
externalDocs:
url: https://fourzerotwo.si/apis/uk-flood/station
parameters:
- name: station
in: query
required: true
description: Station reference, e.g. "1491TH"
schema:
type: string
example: 1491TH
responses:
'200':
description: The data (paid, or free tier).
content:
application/json: {}
'402':
$ref: '#/components/responses/PaymentRequired'
'400':
$ref: '#/components/responses/Error'
'404':
$ref: '#/components/responses/Error'
'502':
$ref: '#/components/responses/Error'
security:
- {}
- freeKey: []
x-price-usd: '0.001000'
x-free-tier: free
x-mcp-tool: uk-flood__station
servers:
- url: https://fourzerotwo.si
/v1/uk-flood/station-latest:
get:
operationId: uk_flood__station_latest
summary: 'UK Flood & River Levels: Latest gauge reading'
description: 'Latest readings from every measure at a station. Price: $0.002 USDC per call via x402. Free within the daily allowance with a free key.'
tags:
- uk-flood
externalDocs:
url: https://fourzerotwo.si/apis/uk-flood/station-latest
parameters:
- name: station
in: query
required: true
description: Station reference, e.g. "1491TH"
schema:
type: string
example: 1491TH
responses:
'200':
description: The data (paid, or free tier).
content:
application/json: {}
'402':
$ref: '#/components/responses/PaymentRequired'
'400':
$ref: '#/components/responses/Error'
'404':
$ref: '#/components/responses/Error'
'502':
$ref: '#/components/responses/Error'
security:
- {}
- freeKey: []
x-price-usd: '0.002000'
x-free-tier: free
x-mcp-tool: uk-flood__station-latest
servers:
- url: https://fourzerotwo.si
/v1/uk-flood/station-history:
get:
operationId: uk_flood__station_history
summary: 'UK Flood & River Levels: Gauge readings history'
description: 'Readings from a station since a date-time (max 4 weeks back). Price: $0.003 USDC per call via x402. Free within the daily allowance with a free key.'
tags:
- uk-flood
externalDocs:
url: https://fourzerotwo.si/apis/uk-flood/station-history
parameters:
- name: station
in: query
required: true
description: Station reference, e.g. "1491TH"
schema:
type: string
example: 1491TH
- name: since
in: query
required: false
description: ISO date-time, e.g. 2026-10-01T00:00:00Z
schema:
type: string
- name: _limit
in: query
required: false
description: Max readings (default 500)
schema:
type: integer
example: 50
responses:
'200':
description: The data (paid, or free tier).
content:
application/json: {}
'402':
$ref: '#/components/responses/PaymentRequired'
'400':
$ref: '#/components/responses/Error'
'404':
$ref: '#/components/responses/Error'
'502':
$ref: '#/components/responses/Error'
security:
- {}
- freeKey: []
x-price-usd: '0.003000'
x-free-tier: free
x-mcp-tool: uk-flood__station-history
servers:
- url: https://fourzerotwo.si
/v1/uk-flood/rainfall-near:
get:
operationId: uk_flood__rainfall_near
summary: 'UK Flood & River Levels: Rain gauges near a point'
description: 'Rainfall stations near a point. Price: $0.002 USDC per call via x402. Free within the daily allowance with a free key.'
tags:
- uk-flood
externalDocs:
url: https://fourzerotwo.si/apis/uk-flood/rainfall-near
parameters:
- name: lat
in: query
required: true
description: Latitude
schema:
type: string
example: '51.4'
- name: long
in: query
required: true
description: Longitude
schema:
type: string
example: '-0.3'
- name: dist
in: query
required: false
description: Radius in km (default 5)
schema:
type: integer
example: 10
responses:
'200':
description: The data (paid, or free tier).
content:
application/json: {}
'402':
$ref: '#/components/responses/PaymentRequired'
'400':
$ref: '#/components/responses/Error'
'404':
$ref: '#/components/responses/Error'
'502':
$ref: '#/components/responses/Error'
security:
- {}
- freeKey: []
x-price-usd: '0.002000'
x-free-tier: free
x-mcp-tool: uk-flood__rainfall-near
servers:
- url: https://fourzerotwo.si
/v1/uk-flood/tide-gauges:
get:
operationId: uk_flood__tide_gauges
summary: 'UK Flood & River Levels: Tide gauges'
description: 'Every tidal level monitoring station in England. Price: $0.001 USDC per call via x402. Free within the daily allowance with a free key.'
tags:
- uk-flood
externalDocs:
url: https://fourzerotwo.si/apis/uk-flood/tide-gauges
responses:
'200':
description: The data (paid, or free tier).
content:
application/json: {}
'402':
$ref: '#/components/responses/PaymentRequired'
'400':
$ref: '#/components/responses/Error'
'404':
$ref: '#/components/responses/Error'
'502':
$ref: '#/components/responses/Error'
security:
- {}
- freeKey: []
x-price-usd: '0.001000'
x-free-tier: free
x-mcp-tool: uk-flood__tide-gauges
servers:
- url: https://fourzerotwo.si
/v1/uk-flood/river-stations:
get:
operationId: uk_flood__river_stations
summary: 'UK Flood & River Levels: River stations by river'
description: 'Monitoring stations on a named river. Price: $0.002 USDC per call via x402. Free within the daily allowance with a free key.'
tags:
- uk-flood
externalDocs:
url: https://fourzerotwo.si/apis/uk-flood/river-stations
parameters:
- name: riverName
in: query
required: true
description: River name, e.g. "River Thames"
schema:
type: string
example: River Thames
responses:
'200':
description: The data (paid, or free tier).
content:
application/json: {}
'402':
$ref: '#/components/responses/PaymentRequired'
'400':
$ref: '#/components/responses/Error'
'404':
$ref: '#/components/responses/Error'
'502':
$ref: '#/components/responses/Error'
security:
- {}
- freeKey: []
x-price-usd: '0.002000'
x-free-tier: free
x-mcp-tool: uk-flood__river-stations
servers:
- url: https://fourzerotwo.si
/v1/uk-flood/flood-areas-near:
get:
operationId: uk_flood__flood_areas_near
summary: 'UK Flood & River Levels: Flood areas near a point'
description: 'Flood alert and warning areas within a radius of a point. Price: $0.002 USDC per call via x402. Free within the daily allowance with a free key.'
tags:
- uk-flood
externalDocs:
url: https://fourzerotwo.si/apis/uk-flood/flood-areas-near
parameters:
- name: lat
in: query
required: true
description: Latitude
schema:
type: string
example: '51.4'
- name: long
in: query
required: true
description: Longitude
schema:
type: string
example: '-0.3'
- name: dist
in: query
required: false
description: Radius in km (default 5)
schema:
type: integer
example: 10
responses:
'200':
description: The data (paid, or free tier).
content:
application/json: {}
'402':
$ref: '#/components/responses/PaymentRequired'
'400':
$ref: '#/components/responses/Error'
'404':
$ref: '#/components/responses/Error'
'502':
$ref: '#/components/responses/Error'
security:
- {}
- freeKey: []
x-price-usd: '0.002000'
x-free-tier: free
x-mcp-tool: uk-flood__flood-areas-near
servers:
- url: https://fourzerotwo.si
/v1/uk-flood/stations-near:
get:
operationId: uk_flood__stations_near
summary: 'UK Flood & River Levels: Gauges near a point'
description: 'River level, flow, tidal and rainfall monitoring stations near a point. Price: $0.002 USDC per call via x402. Free within the daily allowance with a free key.'
tags:
- uk-flood
externalDocs:
url: https://fourzerotwo.si/apis/uk-flood/stations-near
parameters:
- name: lat
in: query
required: true
description: Latitude
schema:
type: string
example: '51.4'
- name: long
in: query
required: true
description: Longitude
schema:
type: string
example: '-0.3'
- name: dist
in: query
required: false
description: Radius in km (default 5)
schema:
type: integer
example: 10
responses:
'200':
description: The data (paid, or free tier).
content:
application/json: {}
'402':
$ref: '#/components/responses/PaymentRequired'
'400':
$ref: '#/components/responses/Error'
'404':
$ref: '#/components/responses/Error'
'502':
$ref: '#/components/responses/Error'
security:
- {}
- freeKey: []
x-price-usd: '0.002000'
x-free-tier: free
x-mcp-tool: uk-flood__stations-near
servers:
- url: https://fourzerotwo.si
components:
responses:
PaymentRequired:
description: x402 payment required. The body (also base64 in the PAYMENT-REQUIRED header) lists accepted payments.
headers:
PAYMENT-REQUIRED:
schema:
type: string
description: Base64 JSON x402 v2 PaymentRequired
content:
application/json:
schema:
type: object
properties:
x402Version:
type: integer
error:
type: string
accepts:
type: array
items:
type: object
Error:
description: 400 = invalid input, 404 = not found at the source, 502 = the source failed. Never charged.
content:
application/json:
schema:
type: object
properties:
error:
type: string
charged:
type: boolean
securitySchemes:
freeKey:
type: apiKey
in: header
name: X-API-Key
description: Optional free key (fzt_…) for the free tier.
x-refined-from:
- openapi.json
- fourzerotwo-si-openapi.json