# Signals

## Get Contact Signals by IDs

 - [POST /api/signals/contacts](https://docs.lusha.com/apis/openapi/signals/getcontactsignalsbyid.md): Retrieve signals data for a list of contact IDs.
This endpoint allows you to get recent activities and signals for up to 100 contacts per request.

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- Returns signals from the last 6 months by default
- Use  to customize the timeframe
- Each signal type requested counts towards credit usage


## Search Contact Signals

 - [POST /api/signals/contacts/search](https://docs.lusha.com/apis/openapi/signals/searchcontactsignals.md): Search for contact signals using identifiers like LinkedIn URL, email, or name + company.
This endpoint combines search and signal enrichment in a single request.

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Each contact can be identified by:
- Contact ID
- LinkedIn URL
- Email address
- Full name + Company (name or domain)


- Returns signals from the last 6 months by default
- Contacts are matched based on provided identifiers
- Returns both contact data and associated signals


## Get Company Signals by IDs

 - [POST /api/signals/companies](https://docs.lusha.com/apis/openapi/signals/getcompanysignalsbyid.md): Retrieve signals data for a list of company IDs.
This endpoint allows you to get recent activities and signals for up to 100 companies per request.

: 


- Returns signals from the last 6 months by default
- Use  to customize the timeframe


## Search Company Signals

 - [POST /api/signals/companies/search](https://docs.lusha.com/apis/openapi/signals/searchcompanysignals.md): Search for company signals using identifiers like domain, company name, or ID.
This endpoint combines search and signal enrichment in a single request.

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Each company must have at least one identifier:
- Company ID (as string)
- Company name
- Company domain


- Returns signals from the last 6 months by default
- Companies are matched based on provided identifiers