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With the Custom Provider integration option in Vantage, you can upload costs from providers that don’t expose billing APIs, aren’t yet supported by Vantage, or originate from custom systems. You can import costs by providing any CSV that adheres to the schema described below or through the Vantage API.

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When to Use Custom Providers

Custom Providers are designed for cost data that Vantage cannot automatically ingest from a billing API. Common use cases include:
  • Unsupported SaaS providers — Import costs from any vendor not listed on the Supported Providers page.
  • Internal or on-premises costs — Track data center, licensing, or infrastructure costs alongside your cloud spend.
  • Supplemental data — Add costs that a native integration does not surface, such as marketplace purchases, negotiated credits, or manual adjustments.
If Vantage later adds native support for a provider you’ve been uploading as a Custom Provider, you can connect the official integration and continue using both side by side.

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FinOps FOCUS Schema

FOCUS is an open-source schema that standardizes cost and usage billing data across different cloud providers. When you add a Custom Provider in Vantage, you use a CSV template format that is a subset of the FOCUS schema. Vantage supports columns from both FOCUS 1.1 and FOCUS 1.2. The fields in this template provide enough detail for Vantage to correctly render costs and perform cost allocation. With just the minimum required fields, Custom Provider costs are available with other Vantage features, such as anomaly alerts, report notifications, and forecasting. See the explainer video below for an introduction to this feature and how FinOps FOCUS is used.

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Review CSV Format

Follow the steps below to create a CSV based on the FOCUS format. You can also use focus.vantage.sh, a free web-based tool that converts cost CSVs or PDF invoices from select Cloud, AI, and SaaS providers into CSVs in the FinOps FOCUS format.
To create a Custom Provider in Vantage, create a CSV file for your data that uses the following format. Add your provider’s cost and usage data to the file. Note that there is a maximum of 10,000 rows and a file size of 2MB allowed. Each time that you upload additional cost data, you will need to create a separate CSV file for that new dataset. 
ChargePeriodStart,ChargeCategory,BilledCost,ResourceId,ResourceType,RegionId,ServiceCategory,ServiceName,Tags,BillingAccountId,SubAccountId,RegionName,ServiceSubcategory
2021-01-01,Usage,1.23,resource-id-1,cost_sub_category-1,us-east-1,service-category-1,service-name-1,"{""tag1"":""value1"",""tag2"":""value2""}",123456789012,987654321098,US East (N. Virginia),IaaS
Only the following fields are required:
  • ChargeCategory
  • ChargePeriodStart
  • BilledCost
  • ServiceName
If you want to upload amortized costs, then ChargePeriodEnd is also required.

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Data Format

The following table provides details for each field within the template, as well as their Vantage representation on reports. Column names correspond to the FOCUS Column Library.
Column NameRequiredVantage RepresentationData TypeExamples
BillingCurrencyNoBilling currency costs are displayed inA currency code, like GBP. If you enter a currency code not available in Vantage, an error is displayed on validation. Check that currency conversion is also enabled. See the Currency Conversion documentation for details.JPY, AUD, USD
ChargeCategoryYesCharge Type filter and grouping optionValid values are case-sensitive and include: Credit, Refund, Discount, Tax, UsageUsage
ChargePeriodStartYesStart date of cost periodDate in YYYY-MM-DD or ISO 8601 format2024-08-25
ChargePeriodEndOnly for amortized costsEnd date of cost periodDate in YYYY-MM-DD or ISO 8601 format2024-08-25
ConsumedQuantityNoQuantity associated with ConsumedUnitNumeric598
ConsumedUnitOnly when ConsumedQuantity is providedUnit of usage associated with ConsumedQuantityAlphanumericGB
BilledCostYesCost that’s displayedPositive or negative number values accepted; dollar signs and decimal values are also acceptable. All costs are considered to be in USD.1245 or -456 or $1.23 or -$1.23
BillingAccountIdNoAccount filter and grouping optionAlphanumeric123456789012
RegionIdNoRegion filter and grouping optionAlphanumericus-east-1
RegionNameNoRegion filter and grouping option. Used as a fallback when RegionId is not provided.AlphanumericUS East (N. Virginia)
ResourceIdNoResource filter and grouping optionAlphanumerictask/3 or 123456
ResourceTypeNoSubcategory filter and grouping optionAlphanumericLarge
ServiceCategoryNoCategory filter and grouping optionAlphanumericTask
ServiceNameYesService filter and grouping optionAlphanumericCompute
ServiceSubcategoryNoSubcategory filter and grouping option. Used as a fallback when ResourceType is not provided.AlphanumericDatabase, IaaS
SubAccountIdNoAccount filter and grouping optionAlphanumeric987654321098
TagsNoTags filter and grouping optionValid JSON object; array of key/value pairs"{""env"":""production""}" for one tag. "{""env"":""prod"",""application"":""geo-location""}" for multiple tags.
If your CSV includes additional FOCUS 1.2 columns beyond those listed above—such as AvailabilityZone, CommitmentDiscountId, EffectiveCost, ListCost, Provider, or Publisher—Vantage accepts the file without errors but does not use those columns for cost reporting. You do not need to remove extra columns before uploading.

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Upload Custom Provider File

Custom Provider files can be uploaded at any time in the console. The above schema adds a timestamp based on the ChargePeriodStart column, so Vantage can place the data in the correct relationship to other costs under a Custom Provider.
Users must have Owner permissions to upload Custom Provider files. If you prefer to use the API rather than the Vantage console, see the API section below.
1
Navigate to the Integrations page in Vantage.
2
Select Custom Provider. (If you have already added a Custom Provider and are adding another one, ensure you are on the Connect tab.)
3
Click Select a File and upload your formatted CSV file.
4
Click Upload Costs.
  • If your CSV file contains any errors, the Review pop-up window is displayed and indicates where the error occurred. See the Troubleshooting section for details on specific errors.
Error screen for Custom Provider
  • For error-free files, a message is displayed that indicates your file is okay. Click Review to see the first 25 rows of uploaded data.
Error-free Custom Provider upload
You can click Select a File again if you accidentally uploaded the wrong file.
5
Enter a Name for your Custom Provider. This is the name that will be displayed in report filters. Optionally, enter a Description.
6
Click Create Custom Provider Integration.
7
The Manage integration screen is displayed. Initially, the message Importing and Processing will be displayed on this screen. You can click the Import Costs tab if you want to upload additional cost files.
File is processing to be uploaded
8
Once the import is complete and the integration status changes to Stable, in the Workspace Access section of this screen, select which workspaces this integration is associated with. See the Workspaces documentation for more information. See the Integration Status documentation for details on integration statuses.
Costs will be ingested and processed as soon as you add the integration. Once costs are processed, they will be available on your All Resources Cost Report. Vantage aggregates uploaded Custom Provider costs to a daily level.

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Troubleshoot Custom Provider Uploads

When you upload a file that contains errors, the Review window is displayed and shows the rows where errors were identified. The first 25 rows are displayed. If you have an error in a row that’s not one of the first 25 rows, that row will be displayed at the top, along with all other errors. Some common errors are noted below.
IssueDescriptionSolution
Improper CSV formatThe file format is not a valid CSV or exceeds the 10,000-row limit or 2MB file size max.Ensure the file is a properly formatted CSV, with no more than 10,000 rows or 2MB in size.
Missing required fieldsOne or more required fields (ChargeCategory, ChargePeriodStart, BilledCost, ServiceName) are missing or improperly formatted. An error message noting which rows are missing required field values will be displayed in the Review window.Verify that all required fields are present and correctly formatted. See the CSV Format section for details.
Invalid valuesThe file contains invalid values, such as incorrect date formats, invalid numbers, tags that are not formatted as JSON or have missing quotes, or incorrect case-sensitive values for ChargeCategory. An error message noting which rows contain invalid values will be displayed in the Review window.Double-check the data in your CSV to ensure dates are in YYYY-MM-DD format, numbers are valid, and ChargeCategory values match the allowed case-sensitive options (e.g., Usage, Credit). See the Data Format table for details.
Improper Vantage permissionsThe user attempting the upload does not have the proper permissions.Ensure you have Owner permissions to upload Custom Provider files. See the Role-Based Access Control documentation for details.
Duplicate file namesYou attempt to upload a new costs import file that has the same name as a previous costs upload file. An error message is displayed indicating you already have a file uploaded with the same name. The new file will overwrite the old file.Ensure each CSV file that you upload is named something different (e.g., cloudflare_costs_8_2024, cloudflare_costs_9_2024).

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Steps to Resolve File Issues

1
After you’ve identified the issues, reopen your CSV file, correct the errors, and save.
2
On the Custom Provider upload screen, close the Review window, click Select a File, and upload the corrected version of your CSV file.
3
After a successful upload, a confirmation message is displayed. You can click Review to verify the first 25 rows of your uploaded data to ensure accuracy.
4
Follow steps 5–8 in the Upload Custom Provider File section to complete the upload process.

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View Custom Provider Costs in Vantage

Once you have uploaded Custom Provider costs, you can query these costs in other Vantage tools. Your Custom Provider will be included in the Providers list of filters on Cost Reports, Segment Reports, and Saved Filters.
Cost Report for custom provider
If you did not provide any information for a particular filter (e.g., RegionId), then those filters will be displayed as empty.
Cost Report for custom provider with no region filter

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Edit Custom Provider Name and Description

You can edit the name and description of your Custom Provider at any time after creation.
1
Navigate to the Integrations page.
2
Select your Custom Provider.
3
On the Manage tab, in the Edit Provider Details section, update the Name or Description fields as needed. The name is displayed in report filters, so choose a name that helps you identify the provider.
4
Click Update Details to apply your changes.

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Add Additional Imports

After the initial costs import, you can add additional cost imports.
If you upload a file with the same name as an existing import, your new file will overwrite the original file. Ensure you have different names for each file upload (e.g., cloudflare_costs_8_2024, cloudflare_costs_9_2024).
1
Navigate to the Integrations page.
2
Select your Custom Provider.
Manage screen for custom provider
3
Click the Import Costs tab. Import your new cost file. Review any errors and correct as needed. Once uploaded, your file will be displayed within the Imports section of the Manage tab.

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Delete Imported Files

If you want to delete an imported file, the costs will be removed from your Custom Provider.
1
Navigate to the Integrations page.
2
Select your Custom Provider.
3
In the Imports section of the Manage tab, you can view existing imports along with the date the file was imported and who imported the file. Click the trashcan icon next to an import to remove it. If you delete a CSV, the corresponding data will be deleted from the provider.
Import section for custom provider

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Use the API to Add a Custom Provider

To reference a Custom Provider in VQL queries, navigate to the Integrations page. Use the displayed Provider ID (e.g., custom_provider:accss_crdntl_123a45bfdaf38765).
You can also use the API to create and upload costs for a Custom Provider.
1
Send a POST request to the /integrations/custom_provider endpoint to create the Custom Provider.
curl --request POST \
 --url https://api.vantage.sh/v2/integrations/custom_provider \
 --header 'accept: application/json' \
 --header 'authorization: Bearer AUTH_TOKEN' \
 --header 'content-type: application/json' \
 --data '
{
  "name": "My Custom Provider",
  "description": "Costs for this provider"
}
'
2
On a successful 200 response, a Custom Provider token is returned.
{
"token": "<CUSTOM_PROVIDER_TOKEN>",
"provider": "custom_costs",
"account_identifier": "My Custom Provider from the API",
"status": "connected",
"workspace_tokens": [],
"created_at": "2024-08-26T14:04:17Z"
}
3
Use the token to upload a CSV file via the /integrations/{integration_token}/costs.csv endpoint.
curl --request POST \
  --url https://api.vantage.sh/v2/integrations/<CUSTOM_PROVIDER_TOKEN>/costs.csv \
  --header 'accept: application/json' \
  --header 'authorization: Bearer TOKEN' \
  --header 'content-type: multipart/form-data' \
  --form csv='@vendor_costs.csv'
4
If there are any errors, the following 422 response is returned. Fix the errors in your CSV, and upload a new file.
{
  "errors": [
    "Row 1: ChargeCategory must be one of the following: Credit, Discount, Fee, Refund, Tax, or Usage",
    "Row 22: Tags must be a valid JSON object",
    "Row 27: BilledCost must be a valid number",
    "Row 31: ChargePeriodStart must be a valid date"
  ]
}