# Recreation.gov API: Check campsite availability > Finds Recreation.gov campsites free for every night of a stay at a campground, with site details. Nightly prices are shown only when a campground lists a single nightly rate. Availability can change before booking. Unofficial. Not affiliated with or endorsed by Recreation.gov. - Page: https://fous.com/methods/recreation.gov/check-campsite-availability - Method: `recreation.gov/check_campsite_availability`, version 1 - Website: recreation.gov - Returns: free sites for the stay, site type, loop, capacity, nightly price when fixed, booking links - Effect: read (it gets data and changes nothing) - Sign-in: none needed - Cost: 1 credit per completed run (1ยข with pay as you go); failed runs are free - Verified: Nov 2, 2026 ## Inputs | Field | Type | Required | In the run below | Description | |---|---|---|---|---| | `check_in` | string | yes | `"2026-10-08"` | First night of the stay, for example 2026-10-08. | | `check_out` | string | yes | `"2026-10-09"` | Day after the last night, for example 2026-10-09. | | `site_type` | string | no | | Kind of campsite to include, for example tent. Any includes all types. One of "any", "tent", "rv", "cabin", "group". Default "any". | | `max_results` | integer | no | | Maximum sites to return, for example 50. Default 50. | | `park_or_area` | string | no | `"Yosemite"` | Park or forest to distinguish similar campground names, for example Yosemite. Default "". | | `campground_name` | string | yes | `"Upper Pines"` | Campground name or Recreation.gov campground link, for example Upper Pines. | ## Output From a run on Oct 23, 2026. Its input: ```json { "check_in": "2026-10-08", "check_out": "2026-10-09", "park_or_area": "Yosemite", "campground_name": "Upper Pines" } ``` Its output: ```json { "sites": [], "booking_link": "https://www.recreation.gov/camping/campgrounds/232447", "campground_id": "232447", "park_or_forest": "Yosemite National Park", "campground_name": "Upper Pines Campground", "available_site_count": 0 } ``` ## Run it From code, with a Fous API key in `FOUS_API_KEY`; the answer's `data` holds the output: ```bash curl https://api.fous.com/v1/runs \ -H "Authorization: Bearer $FOUS_API_KEY" \ -H "Content-Type: application/json" \ -d '{"method":"recreation.gov/check_campsite_availability","input":{"check_in":"2026-10-08","check_out":"2026-10-09","park_or_area":"Yosemite","campground_name":"Upper Pines"}}' ``` From an AI agent connected to the Fous MCP server: its `run` with the same method and input. To connect one, give it `set up https://fous.com/SKILL.md`. ## Ask your agent - Are there any tent sites open at Upper Pines in Yosemite from 2026-10-08 to 2026-10-09? - Show me RV campsites free every night from 2026-07-04 to 2026-07-07 at Hollow Oak campground, max 20 results. - Find open cabins for a stay checking in 2026-08-15 and checking out 2026-08-17 at Cedar Flats in the Sierra National Forest. - Which group sites are available at Lakeview Campground from 2026-09-20 to 2026-09-23, and what do they cost per night? - Any campsites free for a three-night tent trip starting 2026-06-12 at Riverbend Campground, showing site loops and capacity on recreation.gov? ## Input schema ```json { "type": "object", "required": [ "campground_name", "check_in", "check_out" ], "properties": { "check_in": { "type": "string", "description": "First night of the stay, for example 2026-10-08." }, "check_out": { "type": "string", "description": "Day after the last night, for example 2026-10-09." }, "site_type": { "enum": [ "any", "tent", "rv", "cabin", "group" ], "type": "string", "default": "any", "description": "Kind of campsite to include, for example tent. Any includes all types." }, "max_results": { "type": "integer", "default": 50, "maximum": 200, "minimum": 1, "description": "Maximum sites to return, for example 50." }, "park_or_area": { "type": "string", "default": "", "description": "Park or forest to distinguish similar campground names, for example Yosemite." }, "campground_name": { "type": "string", "description": "Campground name or Recreation.gov campground link, for example Upper Pines." } } } ``` ## Output schema ```json { "type": "object", "required": [ "campground_name", "park_or_forest", "booking_link", "campground_id", "available_site_count", "sites" ], "properties": { "sites": { "type": "array", "items": { "type": "object", "required": [ "site_name", "loop", "site_type", "maximum_people", "nightly_price_usd", "site_link", "campsite_id" ], "properties": { "loop": { "type": [ "string", "null" ], "description": "Campground loop when listed." }, "site_link": { "type": "string", "description": "Campsite page on Recreation.gov." }, "site_name": { "type": "string", "description": "Site name or number." }, "site_type": { "type": [ "string", "null" ], "description": "Campsite designation." }, "campsite_id": { "type": "string", "description": "Recreation.gov campsite ID." }, "maximum_people": { "type": [ "integer", "null" ], "description": "Maximum number of people at the site." }, "nightly_price_usd": { "type": [ "number", "null" ], "description": "Displayed campsite price per night in USD, when shown." } }, "additionalProperties": false }, "description": "Sites free for each night of the stay." }, "booking_link": { "type": "string", "description": "Campground booking page." }, "campground_id": { "type": "string", "description": "Recreation.gov campground ID." }, "park_or_forest": { "type": [ "string", "null" ], "description": "Parent park or forest when shown." }, "campground_name": { "type": "string", "description": "Campground name." }, "available_site_count": { "type": "integer", "description": "Number of matching sites free for every requested night, before the result limit." } }, "additionalProperties": false } ``` ## See more - [Recreation.gov API: Search campgrounds and recreation experiences](https://fous.com/methods/recreation.gov/search-campgrounds.md): Finds campgrounds, cabins, permits, tours, timed entries and day-use experiences near a place or within a park or forest on Recreation.gov. Distances and nightly prices are included when listed; prices are not availability quotes. - [Airbnb API: Check listing availability](https://fous.com/methods/airbnb.com/check-listing-availability.md): Checks a public Airbnb listing's calendar for one or more months: available nights per month and, for each day from today on, whether check-in and check-out are possible, the minimum stay, and the nightly price when Airbnb shows one. - [OpenTable API: Check restaurant availability](https://fous.com/methods/opentable.com/check-restaurant-availability.md): Checks reservation times at an OpenTable restaurant by name and city or restaurant link. Shows times near the requested time; availability can change, and some restaurants limit online bookings for large parties. - [NPS API: Get National Park Service site visiting details](https://fous.com/methods/nps.gov/get-park.md): Finds a National Park Service site by name in the NPS state directories and returns its fees, hours, visitor centers, contacts, directions and entry booking guidance. - [Airbnb API: Search stays](https://fous.com/methods/airbnb.com/search-stays.md): Searches public Airbnb homes for a destination and travel dates. Each stay comes with its price, rating, room details and listing link. Prices are the displayed trip totals, including fees. - [Agoda API: Get room prices](https://fous.com/methods/agoda.com/get-room-prices.md): Finds room offers and nightly prices for one Agoda hotel on selected dates. Totals are calculated from displayed nightly prices before taxes and fees; final checkout totals may differ. - [Booking.com API: Search stays](https://fous.com/methods/booking.com/search-stays.md): Searches Booking.com stays by destination and dates, with guest counts, price, review, cancellation, sorting and paging. Displayed prices generally exclude some taxes and fees; children are searched as age 8. - [OpenTable API: Search available tables](https://fous.com/methods/opentable.com/search-available-tables.md): Finds OpenTable restaurants with bookable slots within two hours of the selected time in a city or neighborhood, in OpenTable search order, optionally for one cuisine. Examines up to 300 listings; availability may change. - [All Recreation.gov methods](https://fous.com/methods/recreation.gov.md)