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open-consul/website/source/api/acl/policies.html.md

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---
layout: api
page_title: ACL Policies - HTTP API
sidebar_current: api-acl-policies
description: |-
The /acl/policy endpoints manage Consul's ACL Policies.
---
-> **1.4.0+:** The APIs are available in Consul versions 1.4.0 and later. The documentation for the legacy ACL API is [here](/api/acl/legacy.html)
# ACL Policy HTTP API
The `/acl/policy` endpoints [create](#create-a-policy), [read](#read-a-policy),
[update](#update-a-policy), [list](#list-policies) and
[delete](#delete-a-policy) ACL policies in Consul.
For more information on how to setup ACLs, please see
the [ACL Guide](https://learn.hashicorp.com/consul/advanced/day-1-operations/production-acls).
## Create a Policy
This endpoint creates a new ACL policy.
| Method | Path | Produces |
| ------ | ---------------------------- | -------------------------- |
| `PUT` | `/acl/policy` | `application/json` |
The table below shows this endpoint's support for
[blocking queries](/api/features/blocking.html),
[consistency modes](/api/features/consistency.html),
[agent caching](/api/features/caching.html), and
[required ACLs](/api/index.html#authentication).
| Blocking Queries | Consistency Modes | Agent Caching | ACL Required |
| ---------------- | ----------------- | ------------- | ------------ |
| `NO` | `none` | `none` | `acl:write` |
### Parameters
- `Name` `(string: <required>)` - Specifies a name for the ACL policy. The name
can contain alphanumeric characters, dashes `-`, and underscores `_`.
This name must be unique.
- `Description` `(string: "")` - Free form human readable description of the policy.
- `Rules` `(string: "")` - Specifies rules for the ACL policy. The format of the
`Rules` property is detailed in the [ACL Rules documentation](/docs/acl/acl-rules.html).
- `Datacenters` `(array<string>)` - Specifies the datacenters the policy is valid within.
When no datacenters are provided the policy is valid in all datacenters including
those which do not yet exist but may in the future.
- `Namespace` `(string: "")` - **(Enterprise Only)** Specifies the namespace to
create the policy. If not provided in the JSON body, the value of
the `ns` URL query parameter or in the `X-Consul-Namespace` header will be used.
If not provided at all, the namespace will be inherited from the request's ACL
token or will default to the `default` namespace. Added in Consul 1.7.0.
### Sample Payload
```json
{
"Name": "node-read",
"Description": "Grants read access to all node information",
"Rules": "node_prefix \"\" { policy = \"read\"}",
"Datacenters": ["dc1"]
}
```
### Sample Request
```sh
$ curl -X PUT \
--data @payload.json \
http://127.0.0.1:8500/v1/acl/policy
```
### Sample Response
```json
{
"ID": "e359bd81-baca-903e-7e64-1ccd9fdc78f5",
"Name": "node-read",
"Description": "Grants read access to all node information",
"Rules": "node_prefix \"\" { policy = \"read\"}",
"Datacenters": [
"dc1"
],
"Hash": "OtZUUKhInTLEqTPfNSSOYbRiSBKm3c4vI2p6MxZnGWc=",
"CreateIndex": 14,
"ModifyIndex": 14
}
```
## Read a Policy
This endpoint reads an ACL policy with the given ID.
| Method | Path | Produces |
| ------ | ---------------------------- | -------------------------- |
| `GET` | `/acl/policy/:id` | `application/json` |
The table below shows this endpoint's support for
[blocking queries](/api/features/blocking.html),
[consistency modes](/api/features/consistency.html),
[agent caching](/api/features/caching.html), and
[required ACLs](/api/index.html#authentication).
| Blocking Queries | Consistency Modes | Agent Caching | ACL Required |
| ---------------- | ----------------- | ------------- | ------------ |
| `YES` | `all` | `none` | `acl:read` |
### Parameters
- `id` `(string: <required>)` - Specifies the UUID of the ACL policy to
read. This is required and is specified as part of the URL path.
- `ns` `(string: "")` - **(Enterprise Only)** Specifies the namespace to lookup
the policy. This value can be specified as the `ns` URL query
parameter or the `X-Consul-Namespace` header. If not provided by either,
the namespace will be inherited from the request's ACL token or will default
to the `default` namespace. Added in Consul 1.7.0.
### Sample Request
```sh
$ curl -X GET http://127.0.0.1:8500/v1/acl/policy/e359bd81-baca-903e-7e64-1ccd9fdc78f5
```
### Sample Response
```json
{
"ID": "e359bd81-baca-903e-7e64-1ccd9fdc78f5",
"Name": "node-read",
"Description": "Grants read access to all node information",
"Rules": "node_prefix \"\" { policy = \"read\"}",
"Datacenters": [
"dc1"
],
"Hash": "OtZUUKhInTLEqTPfNSSOYbRiSBKm3c4vI2p6MxZnGWc=",
"CreateIndex": 14,
"ModifyIndex": 14
}
```
## Update a Policy
This endpoint updates an existing ACL policy.
| Method | Path | Produces |
| ------ | ---------------------------- | -------------------------- |
| `PUT` | `/acl/policy/:id` | `application/json` |
The table below shows this endpoint's support for
[blocking queries](/api/features/blocking.html),
[consistency modes](/api/features/consistency.html),
[agent caching](/api/features/caching.html), and
[required ACLs](/api/index.html#authentication).
| Blocking Queries | Consistency Modes | Agent Caching | ACL Required |
| ---------------- | ----------------- | ------------- | ------------ |
| `NO` | `none` | `none` | `acl:write` |
### Parameters
- `ID` `(string: <required>)` - Specifies the ID of the policy to update. This is
required in the URL path but may also be specified in the JSON body. If specified
in both places then they must match exactly.
- `Name` `(string: <required>)` - Specifies a name for the ACL policy. The name
can only contain alphanumeric characters as well as `-` and `_` and must be
unique.
- `Description` `(string: "")` - Free form human readable description of this policy.
- `Rules` `(string: "")` - Specifies rules for this ACL policy. The format of the
`Rules` property is detailed in the [ACL Rules documentation](/docs/acl/acl-rules.html).
- `Datacenters` `(array<string>)` - Specifies the datacenters this policy is valid within.
When no datacenters are provided the policy is valid in all datacenters including
those which do not yet exist but may in the future.
- `Namespace` `(string: "")` - **(Enterprise Only)** Specifies the namespace of
the policy to update. If not provided in the JSON body, the value of
the `ns` URL query parameter or in the `X-Consul-Namespace` header will be used.
If not provided at all, the namespace will be inherited from the request's ACL
token or will default to the `default` namespace. Added in Consul 1.7.0.
### Sample Payload
```json
{
"ID": "c01a1f82-44be-41b0-a686-685fb6e0f485",
"Name": "register-app-service",
"Description": "Grants write permissions necessary to register the 'app' service",
"Rules": "service \"app\" { policy = \"write\"}",
}
```
### Sample Request
```sh
$ curl -X PUT \
--data @payload.json \
http://127.0.0.1:8500/v1/acl/policy/c01a1f82-44be-41b0-a686-685fb6e0f485
```
### Sample Response
```json
{
"ID": "c01a1f82-44be-41b0-a686-685fb6e0f485",
"Name": "register-app-service",
"Description": "Grants write permissions necessary to register the 'app' service",
"Rules": "service \"app\" { policy = \"write\"}",
"Hash": "OtZUUKhInTLEqTPfNSSOYbRiSBKm3c4vI2p6MxZnGWc=",
"CreateIndex": 14,
"ModifyIndex": 28
}
```
## Delete a Policy
This endpoint deletes an ACL policy.
| Method | Path | Produces |
| -------- | ------------------------- | -------------------------- |
| `DELETE` | `/acl/policy/:id` | `application/json` |
Even though the return type is application/json, the value is either true or
false indicating whether the delete succeeded.
The table below shows this endpoint's support for
[blocking queries](/api/features/blocking.html),
[consistency modes](/api/features/consistency.html),
[agent caching](/api/features/caching.html), and
[required ACLs](/api/index.html#authentication).
| Blocking Queries | Consistency Modes | Agent Caching | ACL Required |
| ---------------- | ----------------- | ------------- | ------------ |
| `NO` | `none` | `none` | `acl:write` |
### Parameters
- `id` `(string: <required>)` - Specifies the UUID of the ACL policy to
delete. This is required and is specified as part of the URL path.
- `ns` `(string: "")` - **(Enterprise Only)** Specifies the namespace of the
policy to delete. This value can be specified as the `ns` URL query
parameter or the `X-Consul-Namespace` header. If not provided by either,
the namespace will be inherited from the request's ACL token or will default
to the `default` namespace. Added in Consul 1.7.0.
### Sample Request
```sh
$ curl -X DELETE \
http://127.0.0.1:8500/v1/acl/policy/8f246b77-f3e1-ff88-5b48-8ec93abf3e05
```
### Sample Response
```json
true
```
## List Policies
This endpoint lists all the ACL policies.
| Method | Path | Produces |
| ------ | ---------------------------- | -------------------------- |
| `GET` | `/acl/policies` | `application/json` |
The table below shows this endpoint's support for
[blocking queries](/api/features/blocking.html),
[consistency modes](/api/features/consistency.html),
[agent caching](/api/features/caching.html), and
[required ACLs](/api/index.html#authentication).
| Blocking Queries | Consistency Modes | Agent Caching | ACL Required |
| ---------------- | ----------------- | ------------- | ------------ |
| `YES` | `all` | `none` | `acl:read` |
### Parameters
- `ns` `(string: "")` - **(Enterprise Only)** Specifies the namespace to list
the Policies for. This value can be specified as the `ns` URL query
parameter or the `X-Consul-Namespace` header. If not provided by either,
the namespace will be inherited from the request's ACL token or will default
to the `default` namespace. The namespace may be specified as '*' and then
results will be returned for all namespaces. Added in Consul 1.7.0.
## Sample Request
```sh
$ curl -X GET http://127.0.0.1:8500/v1/acl/policies
```
### Sample Response
-> **Note** - The policies rules are not included in the listing and must be
retrieved by the [policy reading endpoint](#read-a-policy)
```json
[
{
"CreateIndex": 4,
"Datacenters": null,
"Description": "Builtin Policy that grants unlimited access",
"Hash": "swIQt6up+s0cV4kePfJ2aRdKCLaQyykF4Hl1Nfdeumk=",
"ID": "00000000-0000-0000-0000-000000000001",
"ModifyIndex": 4,
"Name": "global-management"
},
{
"CreateIndex": 14,
"Datacenters": [
"dc1"
],
"Description": "Grants read access to all node information",
"Hash": "OtZUUKhInTLEqTPfNSSOYbRiSBKm3c4vI2p6MxZnGWc=",
"ID": "e359bd81-baca-903e-7e64-1ccd9fdc78f5",
"ModifyIndex": 14,
"Name": "node-read"
}
]
```
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