## Documentation Index

Fetch the complete documentation index at: [/llms.txt](https://docs.m3ter.com/llms.txt)

Use this file to discover all available pages before exploring further.

The first part of this section guides you through submitting usage data:

- [Submitting Usage Data](https://docs.m3ter.com/guides/billing-and-usage-data/submitting-usage-data)  
  - [API Calls for Data Ingest](https://docs.m3ter.com/guides/billing-and-usage-data/submitting-usage-data/api-calls-for-data-ingest)  
  - [File Upload Service API](https://docs.m3ter.com/guides/billing-and-usage-data/submitting-usage-data/file-upload-service-api)  
  - [Submitting and Checking Test Usage Data](https://docs.m3ter.com/guides/billing-and-usage-data/submitting-usage-data/submitting-test-usage-data)  
  - [File Uploads for Usage Data by Meter](https://docs.m3ter.com/guides/billing-and-usage-data/submitting-usage-data/submitting-usage-data-adjustments-using-timestamp)  
  - [Submitting Usage Data Adjustments Using Timestamp](https://docs.m3ter.com/guides/billing-and-usage-data/submitting-usage-data/submitting-usage-data-adjustments-using-timestamp)  
  - [Submitting Usage Data for Non-Existent Accounts](https://docs.m3ter.com/guides/billing-and-usage-data/submitting-usage-data/submitting-usage-data-for-non-existent-accounts)  
  - [Reviewing and Resolving Ingest Events](https://docs.m3ter.com/guides/billing-and-usage-data/submitting-usage-data/reviewing-and-resolving-ingest-events)

The second part of this section provides detailed guidance on viewing and managing Bills:

- [Running, Viewing, and Managing Bills](https://docs.m3ter.com/guides/billing-and-usage-data/running-viewing-and-managing-bills)  
  - [Running Bills and Viewing Bill Details](https://docs.m3ter.com/guides/billing-and-usage-data/running-viewing-and-managing-bills/running-bills-and-viewing-bill-details)  
  - [Working with Bills in Bill Management](https://docs.m3ter.com/guides/billing-and-usage-data/running-viewing-and-managing-bills/managing-bills)  
  - [Approving and Locking Bills - Managing Bill Lifecycle](https://docs.m3ter.com/guides/billing-and-usage-data/running-viewing-and-managing-bills/approving-and-locking-bills-managing-bill-lifecycle)  
  - [Adding Credit Line Items to Bills](https://docs.m3ter.com/guides/billing-and-usage-data/running-viewing-and-managing-bills/adding-credit-line-items-to-bills)  
  - [Adding Debit Line Items to Bills](https://docs.m3ter.com/guides/billing-and-usage-data/running-viewing-and-managing-bills/adding-debit-line-items-to-bills)  
  - [Viewing Bill History](https://docs.m3ter.com/guides/billing-and-usage-data/running-viewing-and-managing-bills/viewing-bill-history)  
  - [Scheduling Billing](https://docs.m3ter.com/guides/billing-and-usage-data/running-viewing-and-managing-bills/scheduling-billing)  
  - [Working with Bill Statements](https://docs.m3ter.com/guides/billing-and-usage-data/running-viewing-and-managing-bills/working-with-bill-statements)  
  - [Bill Line Item Types](https://docs.m3ter.com/guides/billing-and-usage-data/running-viewing-and-managing-bills/bill-line-item-types)  
  - [Bill Line Items - Default Descriptions](https://docs.m3ter.com/guides/billing-and-usage-data/running-viewing-and-managing-bills/bill-line-items-default-descriptions)  
  - [Troubleshooting Bills](https://docs.m3ter.com/guides/billing-and-usage-data/running-viewing-and-managing-bills/troubleshooting-bills)