I need to generate a HubSpot API key so we can plug it into our new CRM, One Mortgage System (OMS). We plan to use the HubSpo…

Hi @MerryMarketing , For your use case, I recommend using Service Keys instead of the Legacy Apps Make API request…

Hi Elvadas, Thanks for your response. I have tried Service Keys and that too has the same issue. Please have a look at what…

Hi @MerryMarketing , Thank you for sharing the recording. It is strange. You should still be able to use it on a free plan. C…

Hey @MerryMarketing , Thanks for sharing the HAR file. The error showing INTERNAL_ERROR with shouldRetry: false can sometimes…

Hi SamTassey, thanks for stepping in. Yes, the portal is enrolled in the beta. And yes, I am the admin. [Screenshot 2026-0…

Hi both @evaldas @SamTassey I have confirmed that the portal is enrolled in the beta and I am the admin. Could you provide t…

Hey @MerryMarketing , Thanks for your response -- would you mind DM’ing me your Portal ID so we can take a further look into …

Hi @SamTassey , I DM’d you the ID portal, but I haven’t received any response unfortunately. Would you be able to have a look…

Hello @MerryMarketing , I’ve DM’d you again with a few follow up steps. I’ve also provided my email that you can reach out to…

HubSpot API key

MerryMarketing May 28, 2026, 10:08am 5

Hi there,

I’ve created the HAR file. Please find it here:

Hopefully this helps.

Looking forward to your response.

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