website/docs/discord-experiments-api/experiments.md

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---
title: Experiments
description: How to fetch experiments from the API
---
# Experiments
This section of the documentation will cover how to fetch experiments from the API.
Accessible on [https://api.discord-experiments.xhyrom.dev/v2/experiments](https://api.discord-experiments.xhyrom.dev/v2/experiments)
## Experiment Object
Represents an experiment
**Experiment Structure:**
| field | type | description |
| ------- | ------------------------------------------------ | ----------------------------- |
| data | [experiment data structure](#data-object) | The data of the experiment |
| rollout | ?[experiment rollout structure](#rollout-object) | The rollout of the experiment |
## Data Object
Represents the data of an experiment
**Experiment Data Structure:**
| field | type | description |
| ----------- | ------------------ | ------------------------------------------------------------------------- |
| hash | string | Hash of the experiment (if the experiment has no id, this will be a hash) |
| id * | ?string | Id of the experiment |
| label * | ?string | Human-readable label of the experiment |
| kind ** | string | Kind of the experiment |
| description | ?array of string | Names of buckets |
| buckets | ?array of integers | Ids of available buckets |
| config_keys | ?array of string | Keys of the config |
\* Also included if you're using `?only_keys=true` query parameter.
\** Can be `guild` if the experiment is guild-specific, `user` if the experiment is user-specific.
\*** Everything is included in the `data` field, if you're not using `?also_with_unknown_ids=true` query parameter.
## Rollout Object
Represents the rollout of an experiment
**Rollout Structure:**
| field | type | description |
| ------------------- | --------------------------------------------------------- | ------------------------------------------- |
| revision | integer | Current version fo the rollout |
| populations | array of [rollout population](#rollout-population-object) | The experiment rollout's populations |
| overrides | array of [rollout override](#rollout-override-object) | The experiment rollout's overrides |
| overrides_formatted | array of [rollout population](#rollout-population-object) | Additional experiment rollout's populations |
## Rollout Population Object
Represents a population of an experiment rollout. The population object specifies a set of filters and ranges of positions needed to fit into particular buckets.
**Rollout Population Structure:**
| field | type | description |
| ------- | --------------------------------------------------------------- | ----------- |
| buckets | map\[string\]\[[population bucket](#population-bucket-object)\] | |
| filters | array of [population filter](#population-filter-object) | |
## Population Bucket Object
Represents a bucket of a population of an experiment rollout.
**Population Bucket Structure:**
| field | type | description |
| ------- | ----------------------------------------------------------------------- | ----------- |
| rollout | array of [population bucket rollout](#population-bucket-rollout-object) | |
### Population Bucket Rollout Object
Represents a rollout of a bucket of a population of an experiment rollout.
**Population Bucket Rollout Structure:**
| field | type | description |
| ----- | ------- | ----------- |
| start | integer | |
| end | integer | |
## Population Filter Object
Represents a filter of a population of an experiment rollout.
**Population Filter Structure:**
| field | type | description |
| ----- | ------ | ----------- |
| type | string | |
type is **guild_has_feature**
| field | type | description |
| -------- | ---------------- | ----------- |
| features | ?array of string | |
type is **guild_id_range**
| field | type | description |
| ------ | -------- | ----------- |
| min_id | ?integer | |
| max_id | integer | |
type is **guild_member_count_range**
| field | type | description |
| --------- | -------- | ----------- |
| min_count | ?integer | |
| max_count | integer | |
type is **guild_ids**
| field | type | description |
| ----- | ---------------- | ----------- |
| ids | ?array of string | |
type is **guild_hub_types**
| field | type | description |
| --------- | ----------------- | ----------- |
| hub_types | ?array of integer | |
type is **guild_has_vanity_url**
| field | type | description |
| ---------- | -------- | ----------- |
| has_vanity | ?boolean | |
type is **guild_in_range_by_hash**
| field | type | description |
| -------- | ------- | ----------- |
| hash_key | ?number | |
| target | ?number | |
## Fetching all experiments
You can fetch experiments from the API by sending a GET request to [https://api.discord-experiments.xhyrom.dev/v2/experiments](https://api.discord-experiments.xhyrom.dev/v2/experiments).
**Query parameters:**
| Name | Type | Description |
| --------------------- | --------------- | ------------------------------------------------------------- |
| also_with_unknown_ids | boolean | This will include also experiments without id, just hash |
| only_keys | boolean | This will only return the keys of the experiments (label, id) |
| has_rollout | boolean | This will only return experiments with rollout |
| kind * | array of string | This will only return experiments with the specified kind |
\* If you want multiple kinds, you can separate them with a comma (,)
```
GET https://api.discord-experiments.xhyrom.dev/v2/experiments
```
## Fetching experiment
You can fetch a specific experiment from the API by sending a GET request to [https://api.discord-experiments.xhyrom.dev/v2/experiments/:experimentId](https://api.discord-experiments.xhyrom.dev/v2/experiments/:experimentId).
You can use same query parameters as in [Fetching all experiments](#fetching-all-experiments)
```
GET https://api.discord-experiments.xhyrom.dev/v2/experiments/:experimentId
```