> ## Documentation Index
> Fetch the complete documentation index at: https://stedi.com/docs/llms.txt
> Use this file to discover all available pages before exploring further.
# The Stedi clearinghouse
> Automate transactions with APIs that support thousands of payers
## Eligibility & benefits
Reliably determine eligibility and coordination of benefits, even when patients can't provide accurate insurance information.
Submit 270/271 eligibility checks through the Stedi portal or API in either JSON or X12 EDI.
Identify coverage overlap and determine payer responsibility for claims (primacy).
Find active health plans using the patient's demographic data.
Full reference for our Eligibility, Coordination of Benefits, and Insurance Discovery APIs.
## Claims processing
Submit 837P professional, 837I institutional, and 837D dental claims and 276/277 real-time claim status checks in both JSON and X12 EDI.
Send claims to payers through the API, an SFTP connection, or the Stedi portal.
Retrieve processed 277CA claim acknowledgments and 835 ERAs from Stedi.
Determine the processing status of existing claims in real time.
Full reference for our Claims, Claim Status, and Reports (277CA and ERA) APIs.