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HubSpot-defined association type IDs are the same in every portal: contacts to companies 279 (unlabeled), 1 ("Primary") and 931; companies to contacts 280, 2 and 930; contacts to deals 4; tasks to contacts 204.

Measured

Checked

Checked October 21, 2026 on a HubSpot developer test account
Checked October 16, 2026 on a HubSpot developer test account

Area

Tags

typeid, primary, hubspot-defined, standard-pairs

More facts from this area

Take category and typeId from the row the ordered pair's labels call returns, never assume a category: a custom object's unlabeled default (label: null) is USER_DEFINED, a standard pair's is HUBSPOT_DEFINED.Measured
Association label rows carry fromObjectTypeId and toObjectTypeId as null, so the object pair comes from the request path, never from the row.Measured
Up to 50 association labels can be defined per object pair, on Professional or higher.Source pending
GET /crm/associations/{v}/{from}/{to}/labels returns only that direction's typeIds; the reverse order returns different ones, so read both orders of a pair.Measured
Association limits are written as maxToObjectIds per association type (Professional or higher) and read back as userEnforcedMaxToObjectIds.Documented and measured

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