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…

Hi there, I’ve created the HAR file. Please find it here: HAR File HubSpot Error.har Hopefully this helps. Looking forwar…

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…

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

stassey June 2, 2026, 10:28pm 9

Thanks for your response -- would you mind DM’ing me your Portal ID so we can take a further look into this?
Looking forward to your response!

Best,

Sam, Community Manager

Topic		Replies	Views
This hapikey API does not have proper permissions APIs & Integrations object	11	8641	July 17, 2018
This hapikey(XXXX) does not have proper permissions! (requires all of [hubdb-read]) APIs & Integrations	2	3042	December 28, 2018
This hapikey API doesn't exist APIs & Integrations webhooks	6	12933	August 11, 2021
creating an API key APIs & Integrations	3	12577	September 16, 2025
Why am I getting "This hapikey doesn't exist" error in HubSpot? APIs & Integrations crm	7	2340	March 3, 2026