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I'm want to use External Services in salesforce to call the Marketing Cloud REST API in a flow.

I've done some digging on this and think the steps to do this are:

  • Setup an Auth Provider
  • Setup and External Service (using the above auth provider as credentials)
  • Build a flow that utilises this external service to call the MC REST API
  • Do some stuff with the returned JSON

I have everything setup on the Marketing Cloud side (I am using postman to get an access token and hit the relevant REST end points). But I need some help on the Salesforce side of things.

Two questions:

  1. Does the above look right?

  2. Can anyone point me in the direction of a guide/tutorial that will walk me through this? I'm stuck on some of the finer details around setting up the Auth Provider (and maybe the External Service once I get to that).

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    1. Sure. 2. There isn't one for Ext Svcs -> MC. You can take a look at External Services tutorial, sign up for a Winter 21 pilot of External Services being able to import OpenAPI service definitions, then try that on Marketing Cloud OpenAPI service defs.
    – identigral
    Commented Nov 5, 2020 at 5:48
  • You need to setup a named credential, not an auth provider. Named credential setup is much simpler. Once you do that you can create your external service and paste in the openapi spec that identigral posted above and that should get you started. See this trailhead article trailhead.salesforce.com/en/content/learn/modules/… also see the forcepanda website Narender has done a lot of posts recently on external services that helped me
    – gorav
    Commented Nov 5, 2020 at 12:12
  • Thanks both. Forcepanda has good articles. @gorav why do you say I don't need an auth provider? How else would I authorise via OAuth 2.0 with my marketing cloud managed package?
    – Ben
    Commented Nov 6, 2020 at 3:10
  • @ben you are right, you do need both for Oauth2.0. if you use basic auth, then you do not need the auth provider - just the named credential. i had been using basic auth for my external services.
    – gorav
    Commented Nov 19, 2020 at 21:16
  • Did you find the solution? I have the same issue: salesforce.stackexchange.com/questions/364131/…
    – Albe
    Commented Dec 14, 2021 at 11:48

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