open-nomad/website/source/api/quotas.html.md

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---
layout: api
page_title: Quotas - HTTP API
sidebar_current: api-quotas
description: |-
The /quota endpoints are used to query for and interact with quotas.
---
# Quota HTTP API
The `/quota` endpoints are used to query for and interact with quotas.
~> **Enterprise Only!** This API endpoint and functionality only exists in
Nomad Enterprise. This is not present in the open source version of Nomad.
## List Quota Specifications
This endpoint lists all quota specifications.
| Method | Path | Produces |
| ------ | ----------------- | ------------------ |
| `GET` | `/v1/quotas` | `application/json` |
The table below shows this endpoint's support for
[blocking queries](/api/index.html#blocking-queries) and
[required ACLs](/api/index.html#acls).
| Blocking Queries | ACL Required |
| ---------------- | ------------- |
| `YES` | `quota:read`<br>`namespace:*` if namespace has quota attached|
### Parameters
- `prefix` `(string: "")`- Specifies a string to filter quota specifications on
based on an index prefix. This is specified as a querystring parameter.
### Sample Request
```text
$ curl \
https://localhost:4646/v1/quotas
```
```text
$ curl \
https://localhost:4646/v1/quotas?prefix=sha
```
### Sample Response
```json
[
{
"CreateIndex": 8,
"Description": "Limit the shared default namespace",
"Hash": "SgDCH7L5ZDqNSi2NmJlqdvczt/Q6mjyVwVJC0XjWglQ=",
"Limits": [
{
"Hash": "NLOoV2WBU8ieJIrYXXx8NRb5C2xU61pVVWRDLEIMxlU=",
"Region": "global",
"RegionLimit": {
"CPU": 2500,
"DiskMB": 0,
"IOPS": 0,
"MemoryMB": 2000,
"Networks": null
}
}
],
"ModifyIndex": 56,
"Name": "shared-quota"
}
]
```
## Read Quota Specification
This endpoint reads information about a specific quota specification.
| Method | Path | Produces |
| ------ | ------------------- | -------------------------- |
| `GET` | `/v1/quota/:quota` | `application/json` |
The table below shows this endpoint's support for
[blocking queries](/api/index.html#blocking-queries) and
[required ACLs](/api/index.html#acls).
| Blocking Queries | ACL Required |
| ---------------- | -------------------- |
| `YES` | `quota:read`<br>`namespace:*` if namespace has quota attached|
### Parameters
- `:quota` `(string: <required>)`- Specifies the quota specification to query
where the identifier is the quota's name.
### Sample Request
```text
$ curl \
https://localhost:4646/v1/quota/shared-quota
```
### Sample Response
```json
{
"CreateIndex": 8,
"Description": "Limit the shared default namespace",
"Hash": "SgDCH7L5ZDqNSi2NmJlqdvczt/Q6mjyVwVJC0XjWglQ=",
"Limits": [
{
"Hash": "NLOoV2WBU8ieJIrYXXx8NRb5C2xU61pVVWRDLEIMxlU=",
"Region": "global",
"RegionLimit": {
"CPU": 2500,
"DiskMB": 0,
"IOPS": 0,
"MemoryMB": 2000,
"Networks": null
}
}
],
"ModifyIndex": 56,
"Name": "shared-quota"
}
```
## Create or Update Quota Specification
This endpoint is used to create or update a quota specification.
| Method | Path | Produces |
| ------- | ----------------------------------- | -------------------------- |
| `POST` | `/v1/quota/:quota` <br> `/v1/quota` | `application/json` |
The table below shows this endpoint's support for
[blocking queries](/api/index.html#blocking-queries) and
[required ACLs](/api/index.html#acls).
| Blocking Queries | ACL Required |
| ---------------- | ------------ |
| `NO` | `quota:write` |
### Body
The request body contains a valid, JSON quota specification. View the api
package to see the definition of a [`QuotaSpec`
object](https://github.com/hashicorp/nomad/blob/master/api/quota.go#L100-L131).
### Sample Payload
```javascript
{
"Name": "shared-quota",
"Description": "Limit the shared default namespace",
"Limits": [
{
"Region": "global",
"RegionLimit": {
"CPU": 2500,
"MemoryMB": 1000
}
}
]
}
```
### Sample Request
```text
$ curl \
--request POST \
--data @spec.json \
https://localhost:4646/v1/quota/shared-quota
```
```text
$ curl \
--request POST \
--data @spec.json \
https://localhost:4646/v1/quota
```
## Delete Quota Specification
This endpoint is used to delete a quota specification.
| Method | Path | Produces |
| ------- | -------------------------- | -------------------------- |
| `DELETE` | `/v1/quota/:quota` | `application/json` |
The table below shows this endpoint's support for
[blocking queries](/api/index.html#blocking-queries) and
[required ACLs](/api/index.html#acls).
| Blocking Queries | ACL Required |
| ---------------- | ------------ |
| `NO` | `quota:write` |
### Parameters
- `:quota` `(string: <required>)`- Specifies the quota specification to delete
where the identifier is the quota's name.
### Sample Request
```text
$ curl \
--request DELETE \
https://localhost:4646/v1/quota/shared-quota
```
## List Quota Usages
This endpoint lists all quota usages.
| Method | Path | Produces |
| ------ | ----------------- | ------------------ |
| `GET` | `/v1/quota-usages` | `application/json` |
The table below shows this endpoint's support for
[blocking queries](/api/index.html#blocking-queries) and
[required ACLs](/api/index.html#acls).
| Blocking Queries | ACL Required |
| ---------------- | ------------- |
| `YES` | `quota:read`<br>`namespace:*` if namespace has quota attached|
### Parameters
- `prefix` `(string: "")`- Specifies a string to filter quota specifications on
based on an index prefix. This is specified as a querystring parameter.
### Sample Request
```text
$ curl \
https://localhost:4646/v1/quota-usages
```
```text
$ curl \
https://localhost:4646/v1/quota-usages?prefix=sha
```
### Sample Response
```json
[
{
"Used": {
"NLOoV2WBU8ieJIrYXXx8NRb5C2xU61pVVWRDLEIMxlU=": {
"Region": "global",
"RegionLimit": {
"CPU": 500,
"MemoryMB": 256,
"DiskMB": 0,
"IOPS": 0,
"Networks": null
},
"Hash": "NLOoV2WBU8ieJIrYXXx8NRb5C2xU61pVVWRDLEIMxlU="
}
},
"Name": "default",
"CreateIndex": 8,
"ModifyIndex": 56
}
]
```
## Read Quota Usage
This endpoint reads information about a specific quota usage.
| Method | Path | Produces |
| ------ | ------------------- | -------------------------- |
| `GET` | `/v1/quota/usage/:quota` | `application/json` |
The table below shows this endpoint's support for
[blocking queries](/api/index.html#blocking-queries) and
[required ACLs](/api/index.html#acls).
| Blocking Queries | ACL Required |
| ---------------- | -------------------- |
| `YES` | `quota:read`<br>`namespace:*` if namespace has quota attached|
### Parameters
- `:quota` `(string: <required>)`- Specifies the quota specification to query
where the identifier is the quota's name.
### Sample Request
```text
$ curl \
https://localhost:4646/v1/quota/shared-quota
```
### Sample Response
```json
{
"Used": {
"NLOoV2WBU8ieJIrYXXx8NRb5C2xU61pVVWRDLEIMxlU=": {
"Region": "global",
"RegionLimit": {
"CPU": 500,
"MemoryMB": 256,
"DiskMB": 0,
"IOPS": 0,
"Networks": null
},
"Hash": "NLOoV2WBU8ieJIrYXXx8NRb5C2xU61pVVWRDLEIMxlU="
}
},
"Name": "default",
"CreateIndex": 8,
"ModifyIndex": 56
}
```