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improved

Leadfeeder API - Company Signals API - 2026-07-24

As announced in our previous update, the changes to the POST /companies/signals endpoint went live today, July 24, 2026.
What changed:
  1. job_ads
    category has temporarily stopped returning signals while we migrate it to our new signals system. No action needed — expect it back in early September.
  2. Three categories have been permanently removed and no longer return data: financial_struggles, corporate_challenges, register_updates. If your integration still filters on these, remove them now to avoid unexpected behaviour.
  3. Two categories have been renamed:
  • partnerships_and_collaborations
    →
    partnerships_collaborations
  • regulatory_compliance_updates
    →
    regulatory_and_compliance_updates
Update any references in your integration to the new names.

new

Leadfeeder API - 2026-07-23

  • 🆕
    [New]
    Added a POST /v1/lists/batch-add-to-list-jobs endpoint to asynchronously add multiple companies or contacts to a list in a single batch job.
  • 🆕
    [New]
    Added a POST /v1/lists/batch-remove-from-list-jobs endpoint to asynchronously remove multiple companies or contacts to a list in a single batch job.
  • 🆕
    [New]
    Added a GET /v1/lists/batch-add-to-list-jobs/{job_id} endpoint to retrieve the status and result of a batch add-to-list job.
  • 🆕
    [New]
    Added a GET /v1/lists/batch-remove-from-list-jobs/{job_id}} endpoint to retrieve the status and result of a batch remove-to-list job.
  • 🆕
    [New]
    Added a PATCH /v1/companies/{id} endpoint to update the custom fields of a company record.
  • 🆕
    [New]
    Added a PATCH /v1/contacts/{id} endpoint to update the custom fields of a contact record.
  • 🆕
    [New]
    Added a GET /v1/lists/{id}/items endpoint to retrieve the list items of a company or contact list.
  • 🆕
    [New][MCP]
    create_batch_add_to_list_job
    tool lets you add multiple companies or contacts to a list in a single batch operation.
  • 🆕
    [New][MCP]
    create_batch_remove_from_list_job
    tool lets you remove multiple companies or contacts from a list in a single batch operation.
  • 🆕
    [New][MCP]
    get_batch_add_to_list_job
    tool lets you check the status and results of a previously submitted batch add-to-list job.
  • 🆕
    [New][MCP]
    get_batch_remove_from_list_job
    tool lets you check the status and results of a previously submitted batch remove-from-list job.
  • 🆕
    [New][MCP]
    update_company
    tool lets you update the custom fields of a company record.
  • 🆕
    [New][MCP]
    update_contact
    tool lets you update the custom fields of a contact record.
  • 🆕
    [New][MCP]
    get_list_items
    tool lets you retrieve the items belonging to a specific list.

improved

Leadfeeder API - Company Signals API - Changes live July 24 2026

We're updating the
/company_signals
endpoint on
July 24, 2026
.
Here's what's changing and what (if anything) you need to do.
job_ads
category will temporarily stop returning signals
We're migrating this category to our new signals system. No action needed on your end. Expect it back in
early September
.
Three categories are being removed permanently
These will return no data after
July 24
and will not come back:
  • financial_struggles
  • corporate_challenges
  • register_updates
If your integration filters on any of these, remove them before July 24 to avoid unexpected behaviour.
Two categories are being renamed
  • partnerships_and_collaborations
    →
    partnerships_collaborations
  • regulatory_compliance_updates
    →
    regulatory_and_compliance_updates
Update any references to these names in your integration ahead of the cutoff date.
If you have questions, reach out to our support team at support@leadfeeder.com

improved

Leadfeeder API - 2026-07-17

  • ⚡
    [Improved]
    The
    city
    and
    region
    fields in the GET /v1/ip/enrich response location object can now be
    null
    when the data is unavailable.
  • ⚡
    [Improved]
    The documentation by removing the
    relationships
    as it was not supported by GET /v1/ip/enrich
  • ⚡
    [Improved][MCP]
    Improved
    search_contacts
    tool to automatically append in
    positions
    the matching formal title or abbreviation to your input, so you don't need to provide both.

improved

Leadfeeder API - 2026-07-08

  • ⚡
    [Improved]
    Added an optional
    company_locations
    filter to the POST /v1/contacts/search endpoint, allowing you to narrow contact results by the company's location.
  • ⚡
    [Improved]
    Added an optional
    phones
    parameter to POST /v1/contacts/search, allowing you to search for contacts by phone number.
  • ⚡
    [Improved]
    The
    revenue
    parameter on the POST /v1/contacts/search, now searches based on a normalized EUR value.
  • ⚡
    [Improved][MCP]
    Improved
    search_contacts
    tool to accept
    company_locations
    ,
    phones
    parameters, allowing you to filter contacts by the location of their company and phone number.
  • ⚡
    [Improved][MCP]
    Improved
    search_contacts
    tool to search for
    revenue
    , with a normalized EUR value.

improved

new

Leadfeeder API - 2026-06-29