---
title: Get usage history
---
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[API Reference](https://developers.cloudflare.com/api)
[AI Gateway](https://developers.cloudflare.com/api/resources/ai_gateway)
[Billing](https://developers.cloudflare.com/api/resources/ai_gateway/subresources/billing)
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# Get usage history
GET/accounts/{account\_id}/ai-gateway/billing/usage-history
Retrieve aggregated usage meter event summaries for the given time range.
##### Security
API Token
The preferred authorization scheme for interacting with the Cloudflare API. Create a token.
**Example:**Authorization: Bearer Sn3lZJTBX6kkg7OdcBUAxOO963GEIyGQqnFTOFYY
API Email + API Key
The previous authorization scheme for interacting with the Cloudflare API, used in conjunction with a Global API key.
**Example:**X-Auth-Email: user@example.com
The previous authorization scheme for interacting with the Cloudflare API. When possible, use API tokens instead of Global API keys.
**Example:**X-Auth-Key: 144c9defac04969c7bfad8efaa8ea194
##### Accepted Permissions (at least one required)
`AI Gateway Write``AI Gateway Read`
##### P ath ParametersExpand Collapse
account\_id: string
[Link to this property](<#(resource)%20ai_gateway.billing%20%3E%20(method)%20usage_history%20%3E%20(params)%20default%20%3E%20(param)%20account_id%20%3E%20(schema)>)
##### Q uery ParametersExpand Collapse
value\_grouping\_window: "day"or "hour"
Grouping window for usage data.
One of the following:
"day"
Link to this property
"hour"
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[Link to this property](<#(resource)%20ai_gateway.billing%20%3E%20(method)%20usage_history%20%3E%20(params)%20default%20%3E%20(param)%20value_grouping_window%20%3E%20(schema)>)
end\_time: optional number
End time as Unix timestamp in milliseconds.
[Link to this property](<#(resource)%20ai_gateway.billing%20%3E%20(method)%20usage_history%20%3E%20(params)%20default%20%3E%20(param)%20end_time%20%3E%20(schema)>)
start\_time: optional number
Start time as Unix timestamp in milliseconds.
[Link to this property](<#(resource)%20ai_gateway.billing%20%3E%20(method)%20usage_history%20%3E%20(params)%20default%20%3E%20(param)%20start_time%20%3E%20(schema)>)
##### ReturnsExpand Collapse
errors: array of object {code, message }
code: number
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message: string
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[Link to this property](<#(resource)%20ai_gateway.billing%20%3E%20(method)%20usage_history%20%3E%20(network%20schema)%20%3E%20(property)%20errors>)
messages: array of object {code, message }
code: number
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message: string
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[Link to this property](<#(resource)%20ai_gateway.billing%20%3E%20(method)%20usage_history%20%3E%20(network%20schema)%20%3E%20(property)%20messages>)
result: object {history }
history: array of object {id, aggregated\_value, end\_time, start\_time }
id: string
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aggregated\_value: number
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end\_time: number
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start\_time: number
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[Link to this property](<#(resource)%20ai_gateway.billing%20%3E%20(method)%20usage_history%20%3E%20(network%20schema)%20%3E%20(property)%20result>)
success: true
[Link to this property](<#(resource)%20ai_gateway.billing%20%3E%20(method)%20usage_history%20%3E%20(network%20schema)%20%3E%20(property)%20success>)
result\_info: optional object {has\_more, page, per\_page, total\_count }
has\_more: boolean
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page: number
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per\_page: number
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total\_count: number
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[Link to this property](<#(resource)%20ai_gateway.billing%20%3E%20(method)%20usage_history%20%3E%20(network%20schema)%20%3E%20(property)%20result_info>)
### Get usage history
HTTP
HTTPTypeScriptPythonGoTerraform
```
curl https://api.cloudflare.com/client/v4/accounts/$ACCOUNT_ID/ai-gateway/billing/usage-history \
-H "Authorization: Bearer $CLOUDFLARE_API_TOKEN"
```
200 example
```
{
"errors": [
{
"code": 0,
"message": "message"
}
],
"messages": [
{
"code": 0,
"message": "message"
}
],
"result": {
"history": [
{
"id": "id",
"aggregated_value": 0,
"end_time": 0,
"start_time": 0
}
]
},
"success": true,
"result_info": {
"has_more": true,
"page": 0,
"per_page": 0,
"total_count": 0
}
}
```
##### Returns Examples
200 example
```
{
"errors": [
{
"code": 0,
"message": "message"
}
],
"messages": [
{
"code": 0,
"message": "message"
}
],
"result": {
"history": [
{
"id": "id",
"aggregated_value": 0,
"end_time": 0,
"start_time": 0
}
]
},
"success": true,
"result_info": {
"has_more": true,
"page": 0,
"per_page": 0,
"total_count": 0
}
}
```