# Wiki source code of Problems

Last modified by Asbjørn Ulsberg on 2018/07/05 12:48

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1 | When performing requests against the PayEx Checkout API, problems might occur. All problems will be served in the form of an {{code}}application/problem+json{{/code}} ([[RFC 7807 Problem Detail>>https://tools.ietf.org/html/rfc7807]]) response. All problem responses will have a common structure, with the following properties:
2 |
3 | = Properties =
4 |
5 | |(% style="text-align:right" %)**Property** |=(% style="width: 1119px;" %)Description|=(% style="text-align:center" %)Use*
6 | |(% style="text-align:right" %){{code}}type{{/code}}
7 | (% style="color:LightGrey" %)string|(% style="width:1119px" %)(((
8 | A URL describing the type of problem that occurred. To be treated as an exception class type. Can be trusted to not change between different instances of the same problem type.
9 | )))|(% style="color:#2bb461; text-align:center" %)✓
10 | |(% style="text-align:right" %){{code}}title{{/code}}
11 | (% style="color:LightGrey" %)string|(% style="width:1119px" %)(((
12 | The human readable title of the problem.
13 | )))|(% style="color:red; text-align:center" %)✗
14 | |(% style="text-align:right" %){{code}}status{{/code}}
15 | (% style="color:LightGrey" %)int|(% style="width:1119px" %)(((
16 | The HTTP status code of the response, included as a convenience for logging, etc.
17 | )))|(% style="color:#2bb461; text-align:center" %)✓
18 | |(% style="text-align:right" %){{code}}detail{{/code}}
19 | (% style="color:LightGrey" %)string|(% style="width:1119px" %)The human readable detail explaining the source of the problem and, if any, which actions you can perform to remedy the problem.|(% style="color:red; text-align:center" %)✗
20 | |(% style="text-align:right" %){{code}}instance{{/code}}
21 | (% style="color:LightGrey" %)string
22 | (optional)|(% style="width:1119px" %)An optional identifier of the instance of the problem that occurred, useful for PayEx Support when debugging what the source of the problem might be. |(% style="color:red; text-align:center" %)✗
23 | |(% style="text-align:right" %){{code}}problems{{/code}}
24 | (% style="color:LightGrey" %)array
25 | (optional) |(% style="width:1119px" %)(((
26 | An optional array of objects containing details about which JSON fields or similar in the request that had errors and a description of what the error was.
27 |
28 | {{code language="JavaScript"}}
29 | {
30 | "name": "...",
31 | "description": "..."
32 | }
33 | {{/code}}
34 | )))|(% style="color:#2bb461; text-align:center" %)✓
35 |
36 | ***Use: **Whether hard coded, programmatic use of values in this property is encouraged or not.
37 |
38 | = Request Problems =
39 |
40 | Request problems within the HTTP status code range of {{code}}400{{/code}} to {{code}}499{{/code}} indicates that the request contains an error that needs to be fixed before the request can be retried against the PayEx Checkout API. Below is an example of a problem response you might get from PayEx Checkout:
41 |
42 | {{code language="JavaScript"}}
43 | {
44 | "type": "https://api.payex.com/psp/checkout/problems/validation",
45 | "title": "Validation error",
46 | "status": 400,
47 | "detail": "There was 1 error in the request. Please correct the problem(s) and repeat the request.",
48 | "instance": "1337",
49 | "problems": [
50 | {
51 | "name": "reference",
52 | "description": "The field reference must be a string with a maximum length of 40."
53 | }
54 | ]
55 | }
56 | {{/code}}
57 |
58 | = Server Problems =
59 |
60 | Request problems within the HTTP status code range of {{code}}500{{/code}} to {{code}}599{{/code}} indicates that an unexpected error occurred in the server that it was unable to gracefully recover from. Below is an example of a problem response you might get from PayEx Checkout:
61 |
62 | {{code language="JavaScript"}}
63 | {
64 | "type": "https://api.payex.com/psp/checkout/problems/validation",
65 | "title": "An unexpected error occurred",
66 | "status": 500,
67 | "detail": "An unexpected error occurred. Please contact support.ecom@payex.com with the value of the instance field (1337) to have the problem resolved",
68 | "instance": "1337",
69 | }
70 | {{/code}}

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