Unix Timestamp Converter is a tool for converting between Unix timestamps and human-readable dates. It supports both seconds and milliseconds formats.
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": {
// Unix Timestamp Converter response payload
}
}
About the Unix Timestamp Converter API
Unix Timestamp Converter works by converting Unix epoch timestamps to formatted dates or parsing date strings into Unix timestamps. Returns comprehensive date information including year, month, day, time components, and multiple standard formats.
What people use it for
- API Development
- Convert timestamps from databases and APIs to human-readable dates for display in applications
- Log Analysis
- Parse timestamps in log files and system events for debugging and monitoring
- Data Migration
- Convert date formats between different systems and databases during data transfer
- Time Synchronization
- Standardize time representations across distributed systems using epoch timestamps
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 Unix Timestamp Converter
Same data, same APIVerve account, same credit balance — one key works on all of them.
What does the Unix Timestamp Converter API do?
How do I authenticate Unix Timestamp Converter API requests?
How much does the Unix Timestamp Converter API cost?
How fast is the Unix Timestamp Converter API?
What response formats does the Unix Timestamp Converter API support?
What HTTP method does the Unix Timestamp Converter API use?
Request parameters — GET /v1/unixtimestamp
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 |
|---|---|---|---|
timestampRequired | string | 1609459200 | Unix timestamp to convert timestamp |
Optional
| Parameter | Type | Example | Description |
|---|---|---|---|
formatOptional | string | seconds | Timestamp formatsecondsmillisecondssmsdefault seconds |
curl "https://api.apiverve.com/v1/unixtimestamp?timestamp=1609459200&format=seconds" \
-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/unixtimestamp
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": {
"timestamp": 1609459200,
"timestamp_format": "seconds",
"iso_8601": "2021-01-01T00:00:00Z",
"rfc_2822": "Fri, 01 Jan 2021 00:00:00 GMT",
"date": "1/1/2021",
"time": "12:00:00 AM",
"unix_seconds": 1609459200,
"unix_milliseconds": 1609459200000,
"year": 2021,
"month": 1,
"day": 1,
"hour": 0,
"minute": 0,
"second": 0,
"day_of_week": "Friday",
"timezone": "UTC"
}
}
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 |
|---|---|---|---|
timestamp | number | 1609459200 | Unix timestamp in requested format |
timestamp_format | string | "seconds" | Format of the timestamp value returned |
iso_8601 | string | "2021-01-01T00:00:00Z" | Date formatted in ISO 8601 standard |
rfc_2822 | string | "Fri, 01 Jan 2021 00:00:00 GMT" | Date formatted in RFC 2822 standard |
date | string | "1/1/2021" | Date in simple M/D/YYYY format |
time | string | "12:00:00 AM" | Time in HH:MM:SS AM/PM format |
unix_seconds | number | 1609459200 | Unix timestamp in seconds |
unix_millisecondsPremium | number | 1609459200000 | Unix timestamp in milliseconds |
year | number | 2021 | Year component extracted from timestamp |
month | number | 1 | Month component from 1 to 12 |
day | number | 1 | Day of month component |
hour | number | 0 | Hour component in 24-hour format |
minute | number | 0 | Minute component of the time |
second | number | 0 | Second component of the time |
day_of_weekPremium | string | "Friday" | Full name of the day of week |
timezone | string | "UTC" | Timezone of the returned date |
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 | Unix Timestamp Converter 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/unixtimestamp
No SDK to install — this is a plain HTTPS call to /v1/unixtimestamp 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/unixtimestamp" \
-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/unixtimestamp
Install the Node.js SDK, then call the Unix Timestamp Converter API with your key. The client wraps the same HTTPS request, so anything it returns is what the endpoint returns.
npm install @apiverve/unixtimestampconst res = await fetch("https://api.apiverve.com/v1/unixtimestamp", {
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/unixtimestamp
No SDK to install — this is a plain HTTPS call to /v1/unixtimestamp with your key in the x-api-key header. Swap in a real key and it runs as-is.
import requests
res = requests.get(
"https://api.apiverve.com/v1/unixtimestamp",
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/unixtimestamp
Install the C# / .NET SDK, then call the Unix Timestamp Converter 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.UnixTimestampConverterusing var client = new HttpClient();
client.DefaultRequestHeaders.Add("x-api-key", "YOUR_API_KEY");
var json = await client.GetStringAsync("https://api.apiverve.com/v1/unixtimestamp");
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/unixtimestamp
No SDK to install — this is a plain HTTPS call to /v1/unixtimestamp 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/unixtimestamp", 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/unixtimestamp
No SDK to install — this is a plain HTTPS call to /v1/unixtimestamp with your key in the x-api-key header. Swap in a real key and it runs as-is.
$ch = curl_init("https://api.apiverve.com/v1/unixtimestamp");
curl_setopt($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/unixtimestamp
No SDK to install — this is a plain HTTPS call to /v1/unixtimestamp 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/unixtimestamp")
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 Unix Timestamp Converter 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 — Unix Timestamp Converter 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 Unix Timestamp Converter API.
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