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docs: Update docs for evolution chain endpoint #187

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Merged
Naramsim merged 1 commit into from
Sep 20, 2026
Merged

docs: Update docs for evolution chain endpoint #187

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8 changes: 7 additions & 1 deletion alerts.json
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Original file line number Diff line number Diff line change
Expand Up @@ -26,7 +26,13 @@
},
{
"level": "important",
"active": true,
"active": false,
"message": "Starting August 4th the `cost` property of [items](https://pokeapi.co/api/v2/item/poke-ball/) is going to transition from a simple integer to a new `prices` property, a complex object linked with a new property called _currency_. Read more about it [here](https://github.com/PokeAPI/pokeapi/pull/1431)"
},
{
"level": "important",
"active": true,
"message": "The `base_form` and `evolved_form` properties on [evolution details](https://pokeapi.co/docs/v2#evolution-section) have been renamed to `required_pokemon_form` and `evolved_pokemon_form`. Read more about it [here](https://github.com/PokeAPI/pokeapi/pull/1656)."
}
]

201 changes: 194 additions & 7 deletions src/docs/evolution.json
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Original file line number Diff line number Diff line change
Expand Up @@ -12,7 +12,7 @@
"name": "rattata",
"url": "$BASE_URL/v2/pokemon-species/19/"
},
"evolution_details": null,
"evolution_details": [],
"evolves_to": [
{
"is_baby": false,
Expand All @@ -22,6 +22,11 @@
},
"evolution_details": [
{
"version_group": {
"name": "red-blue",
"url": "$BASE_URL/v2/version-group/1/"
},
"is_default": true,
"item": null,
"trigger": {
"name": "level-up",
Expand All @@ -37,13 +42,68 @@
"min_beauty": null,
"min_affection": null,
"near_special_rock": false,
"needs_multiplayer": false,
"needs_overworld_rain": false,
"party_species": null,
"party_type": null,
"relative_physical_stats": null,
"time_of_day": "",
"trade_species": null,
"turn_upside_down": false
"turn_upside_down": false,
"region": null,
"required_pokemon_form": null,
"evolved_pokemon_form": null,
"used_move": null,
"min_move_count": null,
"min_steps": null,
"min_damage_taken": null,
"allowed_natures": null,
"condition_expression": null
},
{
"version_group": {
"name": "sun-moon",
"url": "$BASE_URL/v2/version-group/17/"
},
"is_default": true,
"item": null,
"trigger": {
"name": "level-up",
"url": "$BASE_URL/v2/evolution-trigger/1/"
},
"gender": null,
"held_item": null,
"known_move": null,
"known_move_type": null,
"location": null,
"min_level": 20,
"min_happiness": null,
"min_beauty": null,
"min_affection": null,
"near_special_rock": false,
"needs_multiplayer": false,
"needs_overworld_rain": false,
"party_species": null,
"party_type": null,
"relative_physical_stats": null,
"time_of_day": "night",
"trade_species": null,
"turn_upside_down": false,
"region": null,
"required_pokemon_form": {
"name": "rattata-alola",
"url": "$BASE_URL/v2/pokemon-form/10193/"
},
"evolved_pokemon_form": {
"name": "raticate-alola",
"url": "$BASE_URL/v2/pokemon-form/10194/"
},
"used_move": null,
"min_move_count": null,
"min_steps": null,
"min_damage_taken": null,
"allowed_natures": null,
"condition_expression": null
}
],
"evolves_to": []
Expand Down Expand Up @@ -113,7 +173,7 @@
"name": "EvolutionDetail",
"fields": [
{
"name": "version_group_id",
"name": "version_group",
"description": "The version group in which the evolution was introduced.",
"type": {
"type": "NamedAPIResource",
Expand Down Expand Up @@ -261,19 +321,19 @@
}
},
{
"name": "base_form",
"name": "required_pokemon_form",
"description": "The required form for which this evolution can occur.",
"type": {
"type": "NamedAPIResource",
"of": "Pokemon"
"of": "PokemonForm"
}
},
{
"name": "evolved_form",
"name": "evolved_pokemon_form",
"description": "The form to which this evolution occurs.",
"type": {
"type": "NamedAPIResource",
"of": "Pokemon"
"of": "PokemonForm"
}
},
{
Expand All @@ -298,6 +358,48 @@
"name": "min_damage_taken",
"description": "The minimum amount of damage taken during the evolution trigger event in order to evolve into this Pokémon species.",
"type": "integer"
},
{
"name": "allowed_natures",
"description": "A list of natures the evolving Pokémon species must have to evolve into this Pokémon species.",
"type": {
"type": "list",
"of": {
"type": "NamedAPIResource",
"of": "Nature"
}
}
},
{
"name": "condition_expression",
"description": "An expression detailing variable-dependent conditional evolution requirements (such as encryption constant or personality value calculations).",
"type": "EvolutionConditionExpression"
}
]
},
{
"name": "EvolutionConditionExpression",
"fields": [
{
"name": "expression",
"description": "Evaluatable RPN condition expression using evolution variables (e.g. 'EC 100 % 0 ==').",
"type": "string"
},
{
"name": "percentage_chance",
"description": "Percentage chance of evolution under this condition (0-100).",
"type": "number"
},
{
"name": "variables",
"description": "Evolution variables referenced in the expression.",
"type": {
"type": "list",
"of": {
"type": "NamedAPIResource",
"of": "EvolutionVariable"
}
}
}
]
}
Expand Down Expand Up @@ -362,5 +464,90 @@
]
}
]
},
{
"name": "Evolution Variables",
"description": "Evolution variables represent parameters (such as Encryption Constant and Personality Value) used in boolean expressions for form-branching evolutions. Check out [Bulbapedia](https://bulbapedia.bulbagarden.net/wiki/Personality_value) for greater detail.",
"exampleRequest": "/v2/evolution-variable/{id or name}/",
"exampleResponse": {
"id": 1,
"name": "encryption-constant",
"symbol": "EC",
"data_type": "uint32",
"version_group": {
"name": "x-y",
"url": "$BASE_URL/v2/version-group/15/"
},
"names": [
{
"name": "Encryption Constant",
"language": {
"name": "en",
"url": "$BASE_URL/v2/language/9/"
}
}
],
"descriptions": [
{
"description": "An unsigned 32-bit integer introduced in Generation VI that is generated alongside a Pokémon's personality value. It is used to calculate internal form variations (such as Dudunsparce, Maushold, and Wurmple), determine Spinda spot patterns, break ties in characteristic calculations, and structure Pokémon data.",
"language": {
"name": "en",
"url": "$BASE_URL/v2/language/9/"
}
}
]
},
"responseModels": [
{
"name": "EvolutionVariable",
"fields": [
{
"name": "id",
"description": "The identifier for this resource.",
"type": "integer"
},
{
"name": "name",
"description": "The name for this resource.",
"type": "string"
},
{
"name": "symbol",
"description": "The symbol used to represent this variable in condition expressions.",
"type": "string"
},
{
"name": "data_type",
"description": "The data type of the variable.",
"type": "string"
},
{
"name": "version_group",
"description": "The version group in which this evolution variable was introduced.",
"type": {
"type": "NamedAPIResource",
"of": "VersionGroup"
}
},
{
"name": "names",
"description": "The name of this resource listed in different languages.",
"type": {
"type": "list",
"of": "Name"
}
},
{
"name": "descriptions",
"description": "The description of this resource listed in different languages.",
"type": {
"type": "list",
"of": "Description"
}
}
]
}
]
}
]