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Overview

phpVMS includes a REST API that can be used for retrieving or saving information.

Pagination​

Where indicated, pagination is enabled/available. When calling those APIs, the data is returned in this format:

  • data contains a list of all of the objects (for example, the airports)
  • links contains the links to navigate through the paginated list
  • meta contains information about the current dataset
{
  "data": [ ... ],
  "links": {
    "first":"http://phpvms.test/api/airports?page=1",
    "last":"http://phpvms.test/api/airports?page=3",
    "prev":null,
    "next":"http://phpvms.test/api/airports?page=2"
  },
  "meta": {
    "current_page": 1,
    "from":1,
    "last_page":3,
    "path":"http://phpvms.test/api/airports",
    "per_page":50,
    "to":50,
    "total":120
  }
}

Rate Limiting​

Laravel's API Middleware includes a rate limiter, which, by default, it set to 60 requests per minute, per-IP.

Response Code​

If you exceed the throttling, you'll have a 429 Too Many Requests HTTP response code. You'll also have a Retry-After header included, indicating the number of seconds to wait:

Retry-After: 60

The below headers will also be included.

Response Headers​

When a request is made, several headers are returned to show you where you are in terms of throttling:

X-RateLimit-Limit: 60
X-RateLimit-Remaining: 59

More Information​

To read some more information about how the throttling works in Laravel, check out this page

Errors​

Where possible, the standard HTTP error codes are followed and returned, with extra information in the body, if available.

Unauthorized​

401 is returned if the API key is invalid, or the user is disallowed from API access. The message parameter will offer more error.

Not Found​

404 is returned if an entity is not found

Validation Errors​

400, with details in the message parameter about the bad input.