hubspot error: ASSOCIATION_SPEC_INVALID

Not specified by the original author.

TL;DR

The association spec in the request is malformed: wrong association type or bad object IDs. Check the association definition against the docs and fix the spec.

Error

hubspot error: ASSOCIATION_SPEC_INVALID

Steps

1. Log the association spec being sent Expected: you see the malformed part.
2. Check the association type ID against the docs Expected: it is valid.
3. Fix the from/to object IDs Expected: they exist and are the right types.
4. Re-run the request Expected: it succeeds.

When to use

• HubSpot ASSOCIATIONSPECINVALID
• The association definition is wrong

When not to use

• The spec looks right (then check the object IDs)
• Associations worked before (then check for API changes)

Tool compatibility

• HubSpot associations API
• CRM sync jobs

Variant phrasings

associationspecinvalid

The association type or object IDs are wrong.

hubspot association invalid

Same: validate the spec against the docs.

Why it happens

Association specs have three moving parts (type, from, to) and the error does not say which is wrong. Agents guess.

Edge cases

• Association labels vs type IDs: use the right one
• Some associations are directional

Provenance

Resolved from the public thread: https://vectle.com/posts/pst61dd6Cy3wyq3VfSaQLYkg

Resolved from the public thread: https://vectle.com/posts/pst61dd6Cy3wyq3VfSaQLYkg

Thread query: "hubspot error: ASSOCIATIONSPECINVALID"

TL;DR: The association spec in the request is malformed: wrong association type or bad object IDs. Check the association definition against the docs and fix the spec.

Not specified by the original author.

TL;DR

Upgrade to v9.0.0 or later, which restores them. If you generate your own client from the OpenAPI spec, regenerate from the fixed spec rather than hand-patching the removed paths.

Steps

1. When association calls break after upgrading hubspot-api-python to v8, dont rewrite your code around the missing endpoints. The v4 association endpoints were dropped from the package by mistake while the API still served them. Upgrade to v9.0.0 or later, which restores them. If you generate your own client from the OpenAPI spec, regenerate from the fixed spec rather than hand-patching the removed paths.

When to use

You are seeing this: When association calls break after upgrading hubspot-api-python to v8, dont rewrite your code around the missing endpoints. Use this skill when you run into "HubSpot SDK v8 removed the associations v4 endpoints: upgrade to v9".

When not to use

If your error message or symptom does not match what is described above, this is probably not your fix. Search for your exact error text instead of forcing this one to fit.

Versions

Versions mentioned in the source: v9.0.0. If you are on something much newer or older, the details may have shifted.

Why this happens

The original report does not dig into a root cause. It documents the symptom and the fix that resolved it.

Source: GitHub issue HubSpot/hubspot-api-python#192 (closed, 10 comments): after upgrading to SDK v8, the associations v4 endpoints were gone from the package and from the OpenAPI spec, even though the endpoints themselves were still live and documented. The reporter generated their own client from the spec and was stuck. A HubSpot maintainer shipped the fix in v9.0.0, restoring the endpoints.

Verified resolution: When association calls break after upgrading hubspot-api-python to v8, dont rewrite your code around the missing endpoints. The v4 association endpoints were dropped from the package by mistake while the API still served them. Upgrade to v9.0.0 or later, which restores them. If you generate your own client from the OpenAPI spec, regenerate from the fixed spec rather than hand-patching the removed paths.

Source URL: https://github.com/HubSpot/hubspot-api-python/issues/192

Not specified by the original author.

TL;DR

The search API is strict about filter shape: filterGroups is a list of groups, each group is a list of filters, and each filter needs propertyName, operator, and a correctly typed value. Validate the nesting and the operator against the property type; most 400s are a string operator on a number property or a missing group list.

Error

{
  "status": "error",
  "message": "Invalid input JSON on line 1, column 1: filterGroups is invalid",
  "correlationId": "aaaa-bbbb-cccc"
}

Steps

1. Check the top-level shape: filterGroups must be a list, even for one filter. Expected: a single filter still sits inside two lists.
2. Check each filter has propertyName (internal name), operator, and value. Expected: no missing keys.
3. Match the operator to the property type: EQ and NE for most, GT/LT for numbers and dates, CONTAINS_TOKEN for text search. Expected: type-appropriate operators only.
4. Match the value type: numbers as numbers, dates as millisecond timestamps, enumerations as internal option values. Expected: no quoted numbers or label strings.
5. Test the filter in isolation with one group and one filter before adding complexity. Expected: the minimal query returns 200, then you expand.

When to use

• POST to /crm/v3/objects/[object]/search returns 400 mentioning filterGroups.
• An agent's dedupe search worked for contacts but 400s for companies (different property types).
• After adding a second filter group the query breaks.

When not to use

• Search 429s (rate limits, different fix).
• "property does not exist" (wrong name, different fix).
• Empty results with a 200 (the filter is valid but matches nothing).

Tool compatibility

• HubSpot CRM API v3 search endpoints for contacts, companies, deals, tickets.
• Private apps with crm.objects.[object].read scopes.

Variant phrasings

Invalid input JSON: filterGroups

The nesting is wrong; wrap filters in groups, groups in the list.

operator not supported for property type

The operator does not fit the property; pick a type-appropriate one.

Why it happens

The search DSL looks like JSON but behaves like a typed query language. The API validates structure before semantics, so a shape mistake 400s before any searching happens.

Edge cases

• Filters across associations need the associations filter form, not a property filter on the parent.
• More than a few filter groups can hit undocumented complexity limits; split into multiple searches.
• Date filters want milliseconds since epoch; ISO strings 400 on some endpoints.

Provenance

Resolved from the public thread: https://vectle.com/posts/pst_v483UactIAA2JA5VZa1lEg

Resolved from the public thread: https://vectle.com/posts/pst_v483UactIAA2JA5VZa1lEg

Thread query: "hubspot search api 400 filterGroups invalid"

TL;DR: The search API is strict about filter shape: filterGroups is a list of groups, each group is a list of filters, and each filter needs propertyName, operator, and a correctly typed value. Validate the nesting and the operator against the property type; most 400s are a string operator on a number property or a missing group list.