Lianja
Walmart v3 OAuth2 Access Token with Client Credentials

Get access token by providing Client ID and Client Secret.
Chilkat Lianja Downloads

Lianja
llSuccess = .F.

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

loHttp = createobject("CkHttp")

// Implements the following CURL command:

// curl -X POST https://marketplace.walmartapis.com/v3/token \
// --user clientId:clientSecret \
// -H 'Content-Type: application/x-www-form-urlencoded' \
// -H 'Accept: application/json' \
// -H 'WM_SVC.NAME: Walmart Marketplace' \
// -H 'WM_QOS.CORRELATION_ID: b3261d2d-028a-4ef7-8602-633c23200af6' \
// -H 'WM_SVC.VERSION: 1.0.0' \
// -d 'grant_type=client_credentials'

loReq = createobject("CkHttpRequest")
loReq.HttpVerb = "POST"
loReq.Path = "/v3/token"
loReq.ContentType = "application/x-www-form-urlencoded"
loReq.AddParam("grant_type","client_credentials")

loReq.AddHeader("WM_QOS.CORRELATION_ID","b3261d2d-028a-4ef7-8602-633c23200af6")
loReq.AddHeader("Accept","application/json")
loReq.AddHeader("WM_SVC.NAME","Walmart Marketplace")
loReq.AddHeader("WM_SVC.VERSION","1.0.0")

// Set the "--user clientId:clientSecret" by setting the Login and Password properties
loHttp.Login = "clientId"
loHttp.Password = "clientSecret"

loResp = createobject("CkHttpResponse")
llSuccess = loHttp.HttpReq("https://marketplace.walmartapis.com/v3/token",loReq,loResp)
if (llSuccess = .F.) then
    ? loHttp.LastErrorText
    release loHttp
    release loReq
    release loResp
    return
endif

loSbResponseBody = createobject("CkStringBuilder")
loResp.GetBodySb(loSbResponseBody)
loJResp = createobject("CkJsonObject")
loJResp.LoadSb(loSbResponseBody)
loJResp.EmitCompact = .F.

? "Response Body:"
? loJResp.Emit()

lnRespStatusCode = loResp.StatusCode
? "Response Status Code = " + str(lnRespStatusCode)
if (lnRespStatusCode >= 400) then
    ? "Response Header:"
    ? loResp.Header
    ? "Failed."
    release loHttp
    release loReq
    release loResp
    release loSbResponseBody
    release loJResp
    return
endif

// Sample JSON response:
// (Sample code for parsing the JSON response is shown below)

// {
//   "access_token": "eyJraWQiOiIzN2JmOWQ5MS04ZDRkLTQwYjEtODU4NS1mNzhlZDc3MjM4MDQiLCJlbmMiOiJBMjU2R0NNIiwiYWxnIjoiZGlyIn0..bKkYKqJ5CP0Qb2Qz.wQ4TTa2nwL1rbT98BBdbTi_MRNMM0gW_5q8im6uX4olRwYiuOXjaG6TbnnFOK5fT0UzMEJUf-uybalogMH78cHP0ZyL6hONKJOMJ8VK3ThcZ4AUcqrMRBNIMFiAWSTvHJg1y5g-t-WwmZbaD589dMll7-aXG6PPncpeQA1zOyOTaELjDA4O4jimc2_7PnEdc6ETv89AKcnw1J1cPz6BPG9jpyLVX_zEZcQnxbAHYZiSFscFCzdMtpFDrPWIwWuRcV5qRlH4DghHMqKG7V2wqX1VYV_gUvLH5b2y8O6Y0u9nmkBpqTGNiMpWzNE7amFyqKExGk4Jc_ziJdsrj38cSz9a4KtZOrV6E3mN5gFFEQSNAGzrdEv2IdTfWdNgTnHopQecgrlP7EcsrmGh1ARGTWr-e7RaiL8m2Sx5i9odGj5FDJKXiDeohX-KEB-Vc2KJeLxvYAHA7nPT1_pkZDBCfpqq_6GAUBDEbDZ6mJH93TAE1YhFeR_jcdl_23lND9sHKlvHA97-fHAjEVTqu-4wVmFFelGyJD4VIBkieWn94jq_opMiz-RjyYn8Vj-tfdJy8azBNt5NkjjW7Rsque04LsfujrqHDcJHio3ukT5JKwxNv9PoHMxoHnQ5fUdF4pOzt6ZShkki-jSbhileDlClh0ufLSNYgBmy6Fz4wTZWgL-DhJOcv-7Cup95Rx35Wh7XDYTbdz_z_avtfF-f-JS5XyN20Hn-gioWdNA7DNhI1O6s7zKZ2s2iD9eFkprOLGtcJzvNVjrxKZKD6R0hrUUzDXRn95oWlJXfan-OsTNdRypfGWFqIes-n8cBhzVF69LEWIDMr6YfdkRkmCq_p_A.Bvyf-k_rnsiiuf0jGGVXvw",
//   "token_type": "Bearer",
//   "expires_in": 900
// }

// Sample code for parsing the JSON response...
// Use the following online tool to generate parsing code from sample JSON:
// Generate Parsing Code from JSON

lcAccess_token = loJResp.StringOf("access_token")
lcToken_type = loJResp.StringOf("token_type")
lnExpires_in = loJResp.IntOf("expires_in")


release loHttp
release loReq
release loResp
release loSbResponseBody
release loJResp