N2YO

N2YO Radio Passes API

Radio-communication satellite pass predictions.

Documentation GitHub OpenAPI

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this

find_apisBrowse and filter every API in the catalog.
get_api_artifactsOne API's artifacts, grouped by type.
get_openapiThe primary OpenAPI for this API.
find_similar_apisAPIs that look like this one.
apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
resolveTurn a domain, URL or GitHub org into the provider it belongs to.
find_cohortsEvery scored population of providers in the catalog.

All 92 tools

Call it yourself

curl for this page

This API

curl "https://apis.io/api/v1/apis/n2yo-radio-passes-api"

All apis

curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no email required.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

openapi: 3.0.3
info:
  title: N2YO Satellite Tracking Above Radio Passes API
  description: The N2YO REST API provides data for software and web developers to build satellite tracking and prediction applications. The REST API v1 is free but transaction limited. All endpoints require an apiKey query parameter.
  version: 1.0.0
  contact:
    name: N2YO Support
    url: https://www.n2yo.com/api/
  license:
    name: N2YO API Terms
    url: https://www.n2yo.com/api/
servers:
- url: https://api.n2yo.com/rest/v1/satellite
  description: Production server
security:
- apiKey: []
tags:
- name: Radio Passes
  description: Radio-communication satellite pass predictions.
paths:
  /radiopasses/{id}/{observer_lat}/{observer_lng}/{observer_alt}/{days}/{min_elevation}:
    get:
      tags:
      - Radio Passes
      summary: Get radio passes
      description: Predicts radio-communication passes for a satellite.
      operationId: getRadioPasses
      parameters:
      - $ref: '#/components/parameters/SatelliteId'
      - $ref: '#/components/parameters/ObserverLat'
      - $ref: '#/components/parameters/ObserverLng'
      - $ref: '#/components/parameters/ObserverAlt'
      - name: days
        in: path
        required: true
        description: Days of prediction (max 10).
        schema:
          type: integer
          maximum: 10
      - name: min_elevation
        in: path
        required: true
        description: Minimum elevation in degrees.
        schema:
          type: integer
      - $ref: '#/components/parameters/ApiKey'
      responses:
        '200':
          description: Radio pass predictions.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/RadioPassesResponse'
components:
  parameters:
    SatelliteId:
      name: id
      in: path
      required: true
      description: NORAD catalog number for the satellite.
      schema:
        type: integer
    ObserverLng:
      name: observer_lng
      in: path
      required: true
      description: Observer longitude in decimal degrees.
      schema:
        type: number
        format: float
    ObserverLat:
      name: observer_lat
      in: path
      required: true
      description: Observer latitude in decimal degrees.
      schema:
        type: number
        format: float
    ApiKey:
      name: apiKey
      in: query
      required: true
      description: Your N2YO API key.
      schema:
        type: string
    ObserverAlt:
      name: observer_alt
      in: path
      required: true
      description: Observer altitude in meters above sea level.
      schema:
        type: number
        format: float
  schemas:
    SatelliteInfo:
      type: object
      properties:
        satid:
          type: integer
        satname:
          type: string
        transactionscount:
          type: integer
    RadioPassesResponse:
      type: object
      properties:
        info:
          allOf:
          - $ref: '#/components/schemas/SatelliteInfo'
          - type: object
            properties:
              passescount:
                type: integer
        passes:
          type: array
          items:
            $ref: '#/components/schemas/RadioPass'
    RadioPass:
      type: object
      properties:
        startAz:
          type: number
        startAzCompass:
          type: string
        startUTC:
          type: integer
        maxAz:
          type: number
        maxAzCompass:
          type: string
        maxEl:
          type: number
        maxUTC:
          type: integer
        endAz:
          type: number
        endAzCompass:
          type: string
        endUTC:
          type: integer
  securitySchemes:
    apiKey:
      type: apiKey
      in: query
      name: apiKey