World Holidays is a simple tool for getting the holidays of the world. It returns the holidays of the world for each day of the year.
Try it — live request, no key required
No key required to try it. Get a key to use it in your app.
{
"status": "ok",
"error": null,
"data": {
// World Holidays response payload
}
}
About the World Holidays API
World Holidays works by querying a large database of world holidays to retrieve the holidays for each day of the year. The holidays are updated regularly to ensure accurate and up-to-date information.
What people use it for
- Travel App
- Use the World Holidays API to get world holidays for a travel app. Use the data to plan trips, schedule events, and optimize experiences
- Calendar App
- Get world holidays by using the World Holidays API for a calendar app. Use the data to display holidays, mark special occasions, and organize events
- Holiday Planning
- Use the World Holidays API to get world holidays for holiday planning. Use the data to schedule vacations, celebrate festivals, and plan events
- Cultural Events
- Get world holidays by using the World Holidays API for cultural events. Use the data to organize celebrations, promote traditions, and engage communities
Ways to call it
One endpoint, many ways in — REST with JSON, XML, YAML and CSV, plus GraphQL and an MCP interface for AI agents.
- JSON
- Default REST response
- XML
- Markup format
- YAML
- Human-readable
- CSV
- Tabular export
- GraphQL
- Query language
- MCP
- For AI agents
Other ways to use World Holidays
Same data, same APIVerve account, same credit balance — one key works on all of them.
What does the World Holidays API do?
How do I authenticate World Holidays API requests?
How much does the World Holidays API cost?
How fast is the World Holidays API?
What response formats does the World Holidays API support?
What HTTP method does the World Holidays API use?
Request parameters — GET /v1/worldholidays
Sent in the query string. Premium parameters are accepted on every plan but only take effect on plans that include them. Anything not listed here is dropped rather than passed through.
Required
| Parameter | Type | Example | Description |
|---|---|---|---|
countryRequired | string | US | The 2-letter country code for which you want to get the holidays length 2-2 |
Optional
| Parameter | Type | Example | Description |
|---|---|---|---|
yearOptionalPremium | integer | 2026 | The year for which you want to get the holidays default 2026 · range 2000-2050 |
curl "https://api.apiverve.com/v1/worldholidays?country=US&year=2026" \
-H "x-api-key: YOUR_API_KEY"Authentication
Send your key in the x-api-key header. That is the only auth step — no token exchange, and no per-endpoint scope to configure.
| Header | When | Value |
|---|---|---|
x-api-keyRequired | Every request | Your API key. Header names are case-insensitive, so X-API-Key is the same header. |
AuthorizationAlternate | Instead of the above | Bearer <key> — for clients that only expose bearer auth. Resolves to the same account and the same billing. |
A 401 means the key is missing, invalid or expired. A 403 means the key is valid but not permitted here — blocked by a key restriction or an IP allow-list. Running out of credits is a 429.
Response — GET /v1/worldholidays
Every APIVerve endpoint returns the same three top-level keys, so one response handler covers your whole integration: status, error and data. Only data changes shape.
{
"status": "ok",
"error": null,
"data": {
"country": "US",
"year": "2025",
"holidays": [
{
"date": "2025-01-01 00:00:00",
"start": "2025-01-01T05:00:00Z",
"end": "2025-01-02T05:00:00Z",
"name": "New Year's Day",
"type": "public"
},
{
"date": "2025-01-20 00:00:00",
"start": "2025-01-20T05:00:00Z",
"end": "2025-01-21T05:00:00Z",
"name": "Martin Luther King Jr. Day",
"type": "public"
},
{
"date": "2025-02-14 00:00:00",
"start": "2025-02-14T05:00:00Z",
"end": "2025-02-15T05:00:00Z",
"name": "Valentine's Day",
"type": "observance"
},
{
"date": "2025-02-17 00:00:00",
"start": "2025-02-17T05:00:00Z",
"end": "2025-02-18T05:00:00Z",
"name": "Washington's Birthday",
"type": "public"
},
{
"date": "2025-03-17 00:00:00",
"start": "2025-03-17T04:00:00Z",
"end": "2025-03-18T04:00:00Z",
"name": "St. Patrick's Day",
"type": "observance"
},
{
"date": "2025-04-15 00:00:00",
"start": "2025-04-15T04:00:00Z",
"end": "2025-04-16T04:00:00Z",
"name": "Tax Day",
"type": "observance"
},
{
"date": "2025-04-20 00:00:00",
"start": "2025-04-20T04:00:00Z",
"end": "2025-04-21T04:00:00Z",
"name": "Easter Sunday",
"type": "observance"
},
{
"date": "2025-04-23 00:00:00",
"start": "2025-04-23T04:00:00Z",
"end": "2025-04-24T04:00:00Z",
"name": "Administrative Professionals Day",
"type": "observance"
},
{
"date": "2025-05-11 00:00:00",
"start": "2025-05-11T04:00:00Z",
"end": "2025-05-12T04:00:00Z",
"name": "Mother's Day",
"type": "observance"
},
{
"date": "2025-05-26 00:00:00",
"start": "2025-05-26T04:00:00Z",
"end": "2025-05-27T04:00:00Z",
"name": "Memorial Day",
"type": "public"
},
{
"date": "2025-06-15 00:00:00",
"start": "2025-06-15T04:00:00Z",
"end": "2025-06-16T04:00:00Z",
"name": "Father's Day",
"type": "observance"
},
{
"date": "2025-06-19 00:00:00",
"start": "2025-06-19T04:00:00Z",
"end": "2025-06-20T04:00:00Z",
"name": "Juneteenth",
"type": "public"
},
{
"date": "2025-07-04 00:00:00",
"start": "2025-07-04T04:00:00Z",
"end": "2025-07-05T04:00:00Z",
"name": "Independence Day",
"type": "public"
},
{
"date": "2025-09-01 00:00:00",
"start": "2025-09-01T04:00:00Z",
"end": "2025-09-02T04:00:00Z",
"name": "Labor Day",
"type": "public"
},
{
"date": "2025-10-13 00:00:00",
"start": "2025-10-13T04:00:00Z",
"end": "2025-10-14T04:00:00Z",
"name": "Columbus Day",
"type": "public"
},
{
"date": "2025-10-31 18:00:00",
"start": "2025-10-31T22:00:00Z",
"end": "2025-11-01T04:00:00Z",
"name": "Halloween",
"type": "observance"
},
{
"date": "2025-11-11 00:00:00",
"start": "2025-11-11T05:00:00Z",
"end": "2025-11-12T05:00:00Z",
"name": "Veterans Day",
"type": "public"
},
{
"date": "2025-11-27 00:00:00",
"start": "2025-11-27T05:00:00Z",
"end": "2025-11-28T05:00:00Z",
"name": "Thanksgiving Day",
"type": "public"
},
{
"date": "2025-11-28 00:00:00",
"start": "2025-11-28T05:00:00Z",
"end": "2025-11-29T05:00:00Z",
"name": "Day after Thanksgiving Day",
"type": "observance"
},
{
"date": "2025-12-24 00:00:00",
"start": "2025-12-24T05:00:00Z",
"end": "2025-12-25T05:00:00Z",
"name": "Christmas Eve",
"type": "optional"
},
{
"date": "2025-12-25 00:00:00",
"start": "2025-12-25T05:00:00Z",
"end": "2025-12-26T05:00:00Z",
"name": "Christmas Day",
"type": "public"
},
{
"date": "2025-12-31 00:00:00",
"start": "2025-12-31T05:00:00Z",
"end": "2026-01-01T05:00:00Z",
"name": "New Year's Eve",
"type": "observance"
}
]
}
}
Response fields
Paths are relative to data. Premium fields are absent rather than zeroed on plans that do not include them, so check for presence instead of comparing to 0.
| Field | Type | Example | Description |
|---|---|---|---|
country | string | "US" | 2-letter country code for the queried holidays |
year | string | "2025" | Year for which holidays were retrieved |
holidays | array[22] | Array of holiday objects with date and details | |
date | string | "2025-01-01 00:00:00" | Holiday date in local timezone |
startPremium | string | "2025-01-01T05:00:00Z" | Holiday start time in ISO 8601 UTC format |
endPremium | string | "2025-01-02T05:00:00Z" | Holiday end time in ISO 8601 UTC format |
name | string | "New Year's Day" | Official name of the holiday or observance |
type | string | "public" | Holiday type (public, observance, optional, etc.) |
Response headers
Every response carries your balance, so your own code always knows where it stands without polling anything. All four are exposed to browsers through CORS.
| Header | What it carries |
|---|---|
x-api-remaining-credits | Credits left in the current cycle |
x-api-credits-used | Credits spent in the current cycle |
x-api-max-credits | The allowance for the cycle |
x-api-version | Version of the endpoint that answered |
Errors
Read the HTTP status first, then error for the specific reason. The body names the parameter that has to change.
| Status | Meaning | What to do |
|---|---|---|
400 | Input was rejected | Read error; it names the parameter that has to change. |
401 | Key missing or invalid | Check the header name and the key value. |
403 | Key valid, but not permitted here | A key restriction or an IP allow-list — never a bad key. |
429 | Rate limited, or out of credits | Read error to tell them apart, then back off or top up. |
What a call costs — 2 credits per call
Credits are shared across every APIVerve API — one balance, one key, one bill. Failed requests never count against it, so a rejected input costs nothing.
| Plan | Per month | Credits | World Holidays calls | Per 1,000 calls |
|---|---|---|---|---|
| Free | Free | 200 | 100 | Free |
| Starter | $29.99 | 200,000 | 100,000 | $0.30 |
| Pro | $99.99 | 1,000,000 | 500,000 | $0.20 |
| Mega | $299.99 | 4,000,000 | 2,000,000 | $0.15 |
Calls are what the credits buy at this API's rate — spend them here, on any of the other APIs, or across both. Nothing is reserved per endpoint.
Call it from cURL — GET /v1/worldholidays
No SDK to install — this is a plain HTTPS call to /v1/worldholidays with your key in the x-api-key header. Swap in a real key and it runs as-is.
curl "https://api.apiverve.com/v1/worldholidays" \
-H "x-api-key: YOUR_API_KEY"Resources
Also published for
Only the languages APIVerve ships a client for are listed — the rest call the endpoint directly over HTTPS.
Call it from Node.js — GET /v1/worldholidays
Install the Node.js SDK, then call the World Holidays API with your key. The client wraps the same HTTPS request, so anything it returns is what the endpoint returns.
npm install @apiverve/worldholidaysconst res = await fetch("https://api.apiverve.com/v1/worldholidays", {
headers: { "x-api-key": "YOUR_API_KEY" },
});
const { data } = await res.json();
console.log(data);Resources
Also published for
Only the languages APIVerve ships a client for are listed — the rest call the endpoint directly over HTTPS.
Call it from Python — GET /v1/worldholidays
Install the Python SDK, then call the World Holidays API with your key. The client wraps the same HTTPS request, so anything it returns is what the endpoint returns.
pip install apiverve-worldholidaysimport requests
res = requests.get(
"https://api.apiverve.com/v1/worldholidays",
headers={"x-api-key": "YOUR_API_KEY"},
)
print(res.json()["data"])Resources
Also published for
Only the languages APIVerve ships a client for are listed — the rest call the endpoint directly over HTTPS.
Call it from C# / .NET — GET /v1/worldholidays
Install the C# / .NET SDK, then call the World Holidays API with your key. The client wraps the same HTTPS request, so anything it returns is what the endpoint returns.
dotnet add package APIVerve.API.WorldHolidaysusing var client = new HttpClient();
client.DefaultRequestHeaders.Add("x-api-key", "YOUR_API_KEY");
var json = await client.GetStringAsync("https://api.apiverve.com/v1/worldholidays");
Console.WriteLine(json);Resources
Also published for
Only the languages APIVerve ships a client for are listed — the rest call the endpoint directly over HTTPS.
Call it from Go — GET /v1/worldholidays
No SDK to install — this is a plain HTTPS call to /v1/worldholidays with your key in the x-api-key header. Swap in a real key and it runs as-is.
req, _ := http.NewRequest("GET", "https://api.apiverve.com/v1/worldholidays", nil)
req.Header.Set("x-api-key", "YOUR_API_KEY")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))Resources
Also published for
Only the languages APIVerve ships a client for are listed — the rest call the endpoint directly over HTTPS.
Call it from PHP — GET /v1/worldholidays
No SDK to install — this is a plain HTTPS call to /v1/worldholidays with your key in the x-api-key header. Swap in a real key and it runs as-is.
$ch = curl_init("https://api.apiverve.com/v1/worldholidays");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, ["x-api-key: YOUR_API_KEY"]);
$response = curl_exec($ch);
echo $response;Resources
Also published for
Only the languages APIVerve ships a client for are listed — the rest call the endpoint directly over HTTPS.
Call it from Ruby — GET /v1/worldholidays
No SDK to install — this is a plain HTTPS call to /v1/worldholidays with your key in the x-api-key header. Swap in a real key and it runs as-is.
require "net/http"
uri = URI("https://api.apiverve.com/v1/worldholidays")
req = Net::HTTP::Get.new(uri)
req["x-api-key"] = "YOUR_API_KEY"
res = Net::HTTP.start(uri.hostname, uri.port, use_ssl: true) { |h| h.request(req) }
puts res.bodyResources
Also published for
Only the languages APIVerve ships a client for are listed — the rest call the endpoint directly over HTTPS.
Zero-code embed — one snippet, no backend
Drop an interactive World Holidays form onto any page. The widget calls the API for you, so no key ever appears in your markup and there is nothing to deploy.
Changelog — World Holidays API
Every change to this endpoint, newest first. Breaking changes ship as a new version and the previous one keeps serving — response fields are added, never removed or retyped in place, so an integration written against v1 keeps working.
Entries are picked up from dated catalog snapshots, so the first one appears after the next snapshot that moves something. A period where nothing changed produces no entry — silence is a valid changelog for the World Holidays API.
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