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System generated call external API

Supported methods

  • GET | HEAD | POST | PUT | DELETE | CONNECT | OPTIONS | TRACE | PATCH

URL 

/api/system-api/user-path/call-external-api

Supported types

  • parallel - If the type is 'parallel' the external APIs are executed in parallel.
  • sequential - If the type is 'sequential' the external APIs are executed in sequential order, one by one.

Request body

  • The below request body contains all supported fields for Call external System API.
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{
    "url": "full_url_here",
    "method": "POST",
    "timeout": 5000,
    "body": {
        "first_name": "James",
        "last_name": "Bond"
    },
    "queryParams": {
        "select": "first_name"
    },
    "headers": {
        "x-am-meta": true
    },
    "id": "saveCountryId",
    "preProcess": [
        {
            "from": "saveCountryId.output.id",
            "to": "body.orderId"
        }
    ],
    "postProcess": [
        {
            "from": "saveCountryId.output.id",
            "to": "body.orderId"
        }
    ],
    "output": "any"
}

title: Call External API Example description: Demonstrates calling and integrating external APIs via API Maker with an example.

Call external API using global object 'g'.

Simple call external apis

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await g.sys.system.callExternalApi([
    {
        "url": `your_url`,
        "method": "GET",
        "timeout": 5000,
        "queryParams": { "select": "first_name" },
        "headers": { "x-am-authorization": "TOKEN" },
    }
]);

Parallel type

  • If the type is 'parallel' the external APIs are executed in parallel.
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await g.sys.system.callExternalApi([
    {
        url: "FULL_URL",
        method: "POST",
        body: [
            {
                first_name: "James",
                last_name: "Bond"
            }
        ],
        id: "saveApi",
        postProcess: [
            {
                from: "saveApi.output.body.data.first_name",
                to: "setApi.body.first_name"
            }
        ],
        queryParams: {
            deep: JSON.stringify([{
                s_key: "SOURCE_COLLECTION_COLUMN_NAME",
                t_key: "TARGET_COLLECTION_COLUMN_NAME",
                t_col: "TARGET_COLLECTION_NAME",
                select: "COLUMN_NAMES"
            }]),
            select: "COLUMN_NAMES",
            limit: 2,
            sort: "COLUMN_NAMES"
        },
        timeout: 1000,
        headers: { "x-am-authorization": "TOKEN" },
    },
    {
        type: 'parallel',
        data: [
            {
                url: "FULL_URL",
                method: 'PUT',
                body: {},
                id: "setApi",
                headers: { "x-am-authorization": "TOKEN" }
            },
            {
                url: "FULL_URL",
                method: 'GET',
                headers: { "x-am-authorization": "TOKEN" }
            }
        ]
    }
]);

Sequential type

  • If the type is 'sequential' the API calls execute one by one.
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await g.sys.system.callExternalApi([
    {
        url: "your_url",
        method: "GET",
        timeout: 5000,
        queryParams: { "select": "first_name" },
        headers: { "x-am-meta": true },
        id: "getData",
        output: "any"
    },
    {
        type: "sequential",
        data: [
            {
                url: "your_url",
                method: "POST",
                body: {},
                id: "addData",
                preProcess: [
                    {
                        from: "getData.output.body.data",
                        to: "addData.body"
                    }
                ],
                headers: { "x-am-authorization": "TOKEN", "x-am-response-case": "capitalCase" }
            },
            {
                url: "your_url",
                method: "GET",
                headers: { "x-am-response-case": "capitalCase" }
            }
        ]
    }
]);

API Response

{
    "success": true,
    "statusCode": 200,
    "data": "requested_API_response_data"
}