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API Reference

Look up Employer

get
https://api.getpinwheel.com/v1/employers/lookup

Look up an employer by criteria such as EIN. Returns the full employer object.

Query Params
string

Employer Identification Number (exactly 9 digits).

Headers
string
enum
required
Defaults to 2025-07-08

Version identifier specifying how the Pinwheel API should behave. See the Change Management page for more information.

Allowed:
Response

Updated 5 months ago

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Updated 5 months ago

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