(DataFlex) Moody's REST API - Get OAuth2 Token

See more Moody's Examples

Demonstrates how to get an OAuth2 access token for the Moody's REST API.

Note: This example requires Chilkat v11.0.0 or greater.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

Use ChilkatAx-win32.pkg

Procedure Test
    Boolean iSuccess
    Handle hoHttp
    Variant vReq
    Handle hoReq
    Variant vResp
    Handle hoResp
    String sResponseBody
    Handle hoFac
    String sTemp1
    Integer iTemp1

    Move False To iSuccess

    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    Get Create (RefClass(cComChilkatHttp)) To hoHttp
    If (Not(IsComObjectCreated(hoHttp))) Begin
        Send CreateComObject of hoHttp
    End

    Get Create (RefClass(cComChilkatHttpRequest)) To hoReq
    If (Not(IsComObjectCreated(hoReq))) Begin
        Send CreateComObject of hoReq
    End
    Send ComAddParam To hoReq "grant_type" "password"
    Send ComAddParam To hoReq "scope" "api/ratings api/addin rest"
    Send ComAddParam To hoReq "username" "my_username"
    Send ComAddParam To hoReq "password" "my_password"
    // I have no idea of where to get the client_id or client_secret.
    // When you create a Moody's App, it only provides an "API Key".
    Send ComAddParam To hoReq "client_id" "my_client_id"
    Send ComAddParam To hoReq "client_secret" "my_client_secret"

    Set ComHttpVerb Of hoReq To "POST"
    Set ComContentType Of hoReq To "application/x-www-form-urlencoded"

    Get Create (RefClass(cComChilkatHttpResponse)) To hoResp
    If (Not(IsComObjectCreated(hoResp))) Begin
        Send CreateComObject of hoResp
    End
    Get pvComObject of hoReq to vReq
    Get pvComObject of hoResp to vResp
    Get ComHttpReq Of hoHttp "https://api.moodys.com/OAuth/Token" vReq vResp To iSuccess
    If (iSuccess = False) Begin
        Get ComLastErrorText Of hoHttp To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Get ComStatusCode Of hoResp To iTemp1
    Showln "status code = " iTemp1
    Get ComBodyStr Of hoResp To sResponseBody
    Showln sResponseBody

    // Save the JSON to a file for future requests.
    Get ComStatusCode Of hoResp To iTemp1
    If (iTemp1 = 200) Begin
        Get Create (RefClass(cComCkFileAccess)) To hoFac
        If (Not(IsComObjectCreated(hoFac))) Begin
            Send CreateComObject of hoFac
        End
        Get ComBodyStr Of hoResp To sTemp1
        Get ComWriteEntireTextFile Of hoFac "qa_data/tokens/moodys.json" sTemp1 "utf-8" False To iSuccess
    End



End_Procedure