Unicode C Dynamics CRM: Lookup Contact ID using Full Name

Back to Index

Find a contactid given a fullname.

Documentation: https://docs.microsoft.com/en-us/dynamics365/customer-engagement/web-api/contact?view=dynamics-ce-odata-9

CURL Command

curl -X GET https://my-dynamics-domain.api.crm.dynamics.com/api/data/v9.0/contacts
  -H "Accept: application/json" \
  -H "OData-MaxVersion: 4.0"  \
  -H "OData-Version: 4.0" \
  -d "$select=contactid" \
  -d "$filter=fullname eq 'Tomasz Bochenek'" \
  -H "Authorization: Bearer DYNAMICS_CRM_ACCESS_TOKEN"

Unicode C Example

#include <C_CkRestW.h>
#include <C_CkStringBuilderW.h>
#include <C_CkJsonObjectW.h>

void ChilkatSample(void)
    {
    HCkRestW rest;
    BOOL success;
    BOOL bTls;
    int port;
    BOOL bAutoReconnect;
    HCkStringBuilderW sbResponseBody;
    int respStatusCode;
    HCkJsonObjectW jsonResponse;
    int i;
    int count_i;
    const wchar_t *odataContext;
    const wchar_t *odataEtag;
    const wchar_t *contactid;

    rest = CkRestW_Create();

    //  URL: https://my-dynamics-domain.api.crm.dynamics.com/api/data/v9.0/contacts
    bTls = TRUE;
    port = 443;
    bAutoReconnect = TRUE;
    success = CkRestW_Connect(rest,L"my-dynamics-domain.api.crm.dynamics.com",port,bTls,bAutoReconnect);
    if (success != TRUE) {
        wprintf(L"ConnectFailReason: %d\n",CkRestW_getConnectFailReason(rest));
        wprintf(L"%s\n",CkRestW_lastErrorText(rest));
        CkRestW_Dispose(rest);
        return;
    }

    CkRestW_AddQueryParam(rest,L"$select",L"contactid");
    CkRestW_AddQueryParam(rest,L"$filter",L"fullname eq 'Tomasz Bochenek'");

    CkRestW_AddHeader(rest,L"OData-MaxVersion",L"4.0");
    CkRestW_AddHeader(rest,L"Accept",L"application/json");
    CkRestW_AddHeader(rest,L"OData-Version",L"4.0");
    CkRestW_AddHeader(rest,L"Authorization",L"Bearer DYNAMICS_CRM_ACCESS_TOKEN");

    sbResponseBody = CkStringBuilderW_Create();
    success = CkRestW_FullRequestNoBodySb(rest,L"GET",L"/api/data/v9.0/contacts",sbResponseBody);
    if (success != TRUE) {
        wprintf(L"%s\n",CkRestW_lastErrorText(rest));
        CkRestW_Dispose(rest);
        CkStringBuilderW_Dispose(sbResponseBody);
        return;
    }

    respStatusCode = CkRestW_getResponseStatusCode(rest);
    if (respStatusCode >= 400) {
        wprintf(L"Response Status Code = %d\n",respStatusCode);
        wprintf(L"Response Header:\n");
        wprintf(L"%s\n",CkRestW_responseHeader(rest));
        wprintf(L"Response Body:\n");
        wprintf(L"%s\n",CkStringBuilderW_getAsString(sbResponseBody));
        CkRestW_Dispose(rest);
        CkStringBuilderW_Dispose(sbResponseBody);
        return;
    }

    jsonResponse = CkJsonObjectW_Create();
    CkJsonObjectW_LoadSb(jsonResponse,sbResponseBody);

    odataContext = CkJsonObjectW_stringOf(jsonResponse,L"\"@odata.context\"");
    i = 0;
    count_i = CkJsonObjectW_SizeOfArray(jsonResponse,L"value");
    while (i < count_i) {
        CkJsonObjectW_putI(jsonResponse,i);
        odataEtag = CkJsonObjectW_stringOf(jsonResponse,L"value[i].\"@odata.etag\"");
        contactid = CkJsonObjectW_stringOf(jsonResponse,L"value[i].contactid");
        i = i + 1;
    }



    CkRestW_Dispose(rest);
    CkStringBuilderW_Dispose(sbResponseBody);
    CkJsonObjectW_Dispose(jsonResponse);

    }

Sample JSON Response Body

{
  "@odata.context": "https://mydomain.api.crm.dynamics.com/api/data/v9.0/$metadata#contacts(contactid)",
  "value": [
    {
      "@odata.etag": "W/\"1162210\"",
      "contactid": "1fa1e5b9-88df-e311-b8e5-6c3be5a8b200"
    }
  ]
}