ASCE Amplify

ASCE Hazard Tool API

The ASCE Hazard Tool API provides a simple interface to query locations in the United States for environmental hazard data by geographic location. It provides site-specific hazard values used in structural engineering design including seismic ground motion parameters, wind speeds, snow loads, ice loads, and flood data in accordance with ASCE 7 and related standards. Access requires an ASCE membership or license.

GitHub OpenAPI

Operations 8

GET /flood Get flood information
GET /ice Get ice information
GET /rain Get rain information
GET /seismic Get seismic information
GET /snow Get snow information
GET /tornado Get tornado information
GET /tsunami Get tsunami information
GET /wind Get wind information

Documentation

📖
Documentation
ASCE Hazard Tool API documentation
📖
Documentation
Hazard Tool API JSON field documentation (PDF)
📖
APIReference
ASCE Hazard Loads API documentation (Swagger UI)

Specifications

⚙
OpenAPI
ASCE Hazard Loads API (OpenAPI 3.0.3, harvested verbatim)

Other Resources

🔗
Overlay
API Evangelist enhancements (operationIds, descriptions, security notes)
🔗
Console
Interactive site for constructing and testing API calls
🔗
APIsJSON
https://raw.githubusercontent.com/api-evangelist/asce-amplify/refs/heads/main/apis.yml

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OpenAPI Specification

asce-amplify-hazard-loads-openapi.yml Raw ↑ 
openapi: 3.0.3
info:
  title: ASCE Hazard Loads API documentation
  description: This is the API documentation for the ASCE Hazard Loads API.
  version: 1.0.0
servers:
  - url: https://api-hazard.asce.org/v1
  - url: http://localhost:3000/v1
paths:
  /flood:
    get:
      tags:
        - Flood
      summary: Get flood information
      parameters:
        - name: lat
          in: query
          description: Latitude of the location
          required: true
          explode: true
          schema:
            type: number
            default: 34.921206
        - name: lon
          in: query
          description: Longitude of the location
          required: true
          schema:
            type: number
            default: -118.418998
      responses:
        '200':
          description: Successful operation
        '400':
          description: Invalid input
  /ice:
    get:
      tags:
        - Ice
      summary: Get ice information
      parameters:
        - name: lat
          in: query
          description: Latitude of the location
          required: true
          explode: true
          schema:
            type: number
            default: 34.921206
        - name: lon
          in: query
          description: Longitude of the location
          required: true
          schema:
            type: number
            default: -118.418998
        - name: standardsVersion
          in: query
          description: Standards version
          required: true
          schema:
            type: string
            enum:
              - 7-10
              - 7-16
              - 7-22
        - name: riskLevel
          in: query
          description: Risk level
          required: false
          schema:
            type: number
            enum:
              - 1
              - 2
              - 3
              - 4
      responses:
        '200':
          description: Successful operation
        '400':
          description: Invalid input
  /rain:
    get:
      tags:
        - 'Rain'
      summary: Get rain information
      parameters:
        - name: lat
          in: query
          description: Latitude of the location
          required: true
          schema:
            type: number
            default: 34.921206
        - name: lon
          in: query
          description: Longitude of the location
          required: true
          schema:
            type: number
            default: -118.418998
      responses:
        '200':
          description: Successful operation
        '400':
          description: Invalid input
  /seismic:
    get:
      tags:
        - 'Seismic'
      summary: Get seismic information
      parameters:
        - name: lat
          in: query
          description: Latitude of the location
          required: true
          schema:
            type: number
            default: 34.921206
        - name: lon
          in: query
          description: Longitude of the location
          required: true
          schema:
            type: number
            default: -118.418998
        - name: standardsVersion
          in: query
          description: Standards version
          required: true
          schema:
            type: string
            enum:
              - 7-10
              - 7-16
              - 7-22
              - 41-17
              - 41-23
        - name: riskLevel
          in: query
          description: Risk level
          required: false
          schema:
            type: number
            enum:
              - 1
              - 2
              - 3
              - 4
        - name: siteClass
          in: query
          description: Site class
          required: true
          schema:
            type: string
            enum:
              - A
              - B
              - C
              - D
              - E
              - B-estimated
              - D-default
              - BC
              - CD
              - DE
              - Default
      responses:
        '200':
          description: Successful operation
        '400':
          description: Invalid input
  /snow:
    get:
      tags:
        - 'Snow'
      summary: Get snow information
      parameters:
        - name: lat
          in: query
          description: Latitude of the location
          required: true
          schema:
            type: number
            default: 34.921206
        - name: lon
          in: query
          description: Longitude of the location
          required: true
          schema:
            type: number
            default: -118.418998
        - name: standardsVersion
          in: query
          description: Standards version
          required: true
          schema:
            type: string
            enum:
              - 7-10
              - 7-16
              - 7-22
        - name: riskLevel
          in: query
          description: Risk level
          required: true
          schema:
            type: number
            enum:
              - 1
              - 2
              - 3
              - 4
      responses:
        '200':
          description: Successful operation
        '400':
          description: Invalid input
  /tornado:
    get:
      tags:
        - 'Tornado'
      summary: Get tornado information
      parameters:
        - name: lat
          in: query
          description: Latitude of the location
          required: true
          schema:
            type: number
            default: 34.921206
        - name: lon
          in: query
          description: Longitude of the location
          required: true
          schema:
            type: number
            default: -118.418998
        - name: standardsVersion
          in: query
          description: Standards version
          required: true
          schema:
            type: string
            enum:
              - '7-22'
        - name: riskLevel
          in: query
          description: Risk level
          required: true
          schema:
            type: number
            enum:
              - 1
              - 2
              - 3
              - 4
      responses:
        '200':
          description: Successful operation
        '400':
          description: Invalid input
  /tsunami:
    get:
      tags:
        - 'Tsunami'
      summary: Get tsunami information
      parameters:
        - name: lat
          in: query
          description: Latitude of the location
          required: true
          schema:
            type: number
            default: 34.921206
        - name: lon
          in: query
          description: Longitude of the location
          required: true
          schema:
            type: number
            default: -118.418998
        - name: standardsVersion
          in: query
          description: Standards version
          required: true
          schema:
            type: string
            enum:
              - 7-10
              - 7-16
              - 7-22
      responses:
        '200':
          description: Successful operation
        '400':
          description: Invalid input
  /wind:
    get:
      tags:
        - 'Wind'
      summary: Get wind information
      parameters:
        - name: lat
          in: query
          description: Latitude of the location
          required: true
          schema:
            type: number
            default: 34.921206
        - name: lon
          in: query
          description: Longitude of the location
          required: true
          schema:
            type: number
            default: -118.418998
        - name: standardsVersion
          in: query
          description: Standards version
          required: true
          schema:
            type: string
            enum:
              - 7-10
              - 7-16
              - 7-22
        - name: riskLevel
          in: query
          description: Risk level
          required: true
          schema:
            type: number
            enum:
              - 1
              - 2
              - 3
              - 4
      responses:
        '200':
          description: Successful operation
        '400':
          description: Invalid input
components:
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      name: token
      in: query
security:
  - ApiKeyAuth: []