# Institutional Claims (837I) Raw X12
Source: https://www.stedi.com/docs/healthcare/api-reference/post-healthcare-institutional-claims-raw-x12

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openapi: healthcare post /change/medicalnetwork/institutionalclaims/v1/raw-x12-submission
title: Institutional Claims (837I) Raw X12
sidebarTitle: Institutional Claims Raw X12
------------------------------------------

This endpoint is ideal if you have an existing system that generates X12 EDI files and you want to send them through Stedi.

1. Call this endpoint with a payload in [837 X12 EDI format](https://portal.stedi.com/app/guides/view/hipaa/health-care-claim-institutional-x223a2/01JBHW2YXMN2F9KXK2PS0BFP9F).
2. Stedi validates the EDI and sends the claim to the payer.
3. The endpoint returns a response from Stedi in JSON format containing information about the claim you submitted and whether the submission was successful.

<Note>
  Visit [Submit institutional claims](/healthcare/submit-institutional-claims)
  for a full how-to guide.
</Note>