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fix(billing): Skip billing on streamed workflows with byok #4056

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Merged
TheodoreSpeaks merged 10 commits into from
Apr 8, 2026
Merged

fix(billing): Skip billing on streamed workflows with byok #4056

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a7839a1
fix(billing): skip billing on streamed workflows with byok
TheodoreSpeaks Apr 8, 2026
582b262
Simplify logic
TheodoreSpeaks Apr 8, 2026
2584bb8
Address comments, skip tokenization billing fallback
TheodoreSpeaks Apr 8, 2026
90535f1
Fix tool usage billing for streamed outputs
TheodoreSpeaks Apr 8, 2026
edfdc16
fix(webhook): throw webhook errors as 4xxs (#4050)
TheodoreSpeaks Apr 8, 2026
2824421
feat(enterprise): cloud whitelabeling for enterprise orgs (#4047)
waleedlatif1 Apr 8, 2026
d4ab895
fix(editor): stop highlighting start.input as blue when block is not …
waleedlatif1 Apr 8, 2026
096bb48
fix: merge subblock values in auto-layout to prevent losing router co…
waleedlatif1 Apr 8, 2026
e47f6aa
fix(whitelabeling): eliminate logo flash by fetching org settings ser…
waleedlatif1 Apr 8, 2026
3792e01
Merge branch 'staging' into debug/byok-agent-block
TheodoreSpeaks Apr 8, 2026
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39 changes: 36 additions & 3 deletions apps/sim/providers/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -54,6 +54,30 @@ function isReadableStream(response: any): response is ReadableStream {
return response instanceof ReadableStream
}

const ZERO_COST = Object.freeze({
input: 0,
output: 0,
total: 0,
pricing: Object.freeze({ input: 0, output: 0, updatedAt: '' }),
})
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/**
* Prevents streaming callbacks from writing non-zero cost for BYOK users.
* The property is frozen via defineProperty because providers set cost inside
* streaming callbacks that fire after this function returns.
*/
function zeroCostForBYOK(response: StreamingExecution): void {
const output = response.execution?.output
if (!output || typeof output !== 'object') return

Object.defineProperty(output, 'cost', {
get: () => ZERO_COST,
set: () => {},
configurable: true,
enumerable: true,
})
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}
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export async function executeProviderRequest(
providerId: string,
request: ProviderRequest
Expand All @@ -80,6 +104,12 @@ export async function executeProviderRequest(
)
resolvedRequest = { ...resolvedRequest, apiKey: result.apiKey }
isBYOK = result.isBYOK
logger.info('API key resolved', {
provider: providerId,
model: request.model,
workspaceId: request.workspaceId,
isBYOK,
})
} catch (error) {
logger.error('Failed to resolve API key:', {
provider: providerId,
Expand Down Expand Up @@ -118,7 +148,10 @@ export async function executeProviderRequest(
const response = await provider.executeRequest(sanitizedRequest)

if (isStreamingExecution(response)) {
logger.info('Provider returned StreamingExecution')
logger.info('Provider returned StreamingExecution', { isBYOK })
if (isBYOK) {
zeroCostForBYOK(response)
}
return response
}

Expand Down Expand Up @@ -154,9 +187,9 @@ export async function executeProviderRequest(
},
}
if (isBYOK) {
logger.debug(`Not billing model usage for ${response.model} - workspace BYOK key used`)
logger.info(`Not billing model usage for ${response.model} - workspace BYOK key used`)
} else {
logger.debug(
logger.info(
`Not billing model usage for ${response.model} - user provided API key or not hosted model`
)
}
Expand Down
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