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swagger-0-1-42.json
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{
"openapi": "3.0.0",
"info": {
"version": "0.1.42",
"title": "Blockfrost.io ~ API Documentation",
"x-logo": {
"url": "https://staging.blockfrost.io/images/logo.svg",
"altText": "Blockfrost"
},
"contact": {
"name": "Blockfrost Team",
"url": "https://blockfrost.io",
"email": "[email protected]"
},
"license": {
"name": "MIT",
"url": "https://opensource.org/licenses/MIT"
},
"termsOfService": "https://blockfrost.io/terms",
"description": "Blockfrost is an API as a service that allows users to interact with the Cardano blockchain and parts of its ecosystem.\n\n## Tokens\n\nAfter signing up on https://blockfrost.io, a `project_id` token is automatically generated for each project.\nHTTP header of your request MUST include this `project_id` in order to authenticate against Blockfrost servers.\n\n## Available networks\n\nAt the moment, you can use the following networks. Please, note that each network has its own `project_id`.\n\n<table>\n <tr><td><b>Network</b></td><td><b>Endpoint</b></td></tr>\n <tr><td>Cardano mainnet</td><td><tt>https://cardano-mainnet.blockfrost.io/api/v0</td></tt></tr>\n <tr><td>Cardano testnet</td><td><tt>https://cardano-testnet.blockfrost.io/api/v0</tt></td></tr>\n <tr><td>Cardano preprod</td><td><tt>https://cardano-preprod.blockfrost.io/api/v0</tt></td></tr>\n <tr><td>Cardano preview</td><td><tt>https://cardano-preview.blockfrost.io/api/v0</tt></td></tr>\n <tr><td>InterPlanetary File System</td><td><tt>https://ipfs.blockfrost.io/api/v0</tt></td></tr>\n <tr><td>Milkomeda mainnet</td><td><tt>https://milkomeda-mainnet.blockfrost.io/api/v0</td></tt></tr>\n <tr><td>Milkomeda testnet</td><td><tt>https://milkomeda-testnet.blockfrost.io/api/v0</td></tt></tr>\n</table>\n\n## Milkomeda\n\nFor more information about how to use Milkomeda as well as the list of available endpoints, see the\n<a href=\"https://blockfrost.dev/docs/start-building/milkomeda\">Milkomeda section on blockfrost.dev</a>.\n\n## Concepts\n\n* All endpoints return either a JSON object or an array.\n* Data is returned in *ascending* (oldest first, newest last) order, if not stated otherwise.\n * You might use the `?order=desc` query parameter to reverse this order.\n* By default, we return 100 results at a time. You have to use `?page=2` to list through the results.\n* All time and timestamp related fields (except `server_time`) are in seconds of UNIX time.\n* All amounts are returned in Lovelaces, where 1 ADA = 1 000 000 Lovelaces.\n* Addresses, accounts and pool IDs are in Bech32 format.\n* All values are case sensitive.\n* All hex encoded values are lower case.\n* Examples are not based on real data. Any resemblance to actual events is purely coincidental.\n* We allow to upload files up to 100MB of size to IPFS. This might increase in the future.\n* We allow maximum of 100 queued pins per IPFS user.\n\n## Errors\n\n### HTTP Status codes\n\nThe following are HTTP status code your application might receive when reaching Blockfrost endpoints and\nit should handle all of these cases.\n\n* HTTP `400` return code is used when the request is not valid.\n* HTTP `402` return code is used when the projects exceed their daily request limit.\n* HTTP `403` return code is used when the request is not authenticated.\n* HTTP `404` return code is used when the resource doesn't exist.\n* HTTP `418` return code is used when the user has been auto-banned for flooding too much after previously receiving error code `402` or `429`.\n* HTTP `425` return code is used in Cardano networks, when the user has submitted a transaction when the mempool is already full, not accepting new txs straight away.\n* HTTP `425` return code is used in IPFS network, when the user has submitted a pin when the pin queue is already full, not accepting new pins straight away.\n* HTTP `429` return code is used when the user has sent too many requests in a given amount of time and therefore has been rate-limited.\n* HTTP `500` return code is used when our endpoints are having a problem.\n\n### Error codes\n\nAn internal error code number is used for better indication of the error in question. It is passed using the following payload.\n\n```json\n{\n \"status_code\": 403,\n \"error\": \"Forbidden\",\n \"message\": \"Invalid project token.\"\n}\n```\n## Limits\n\nThere are two types of limits we are enforcing:\n\nThe first depends on your plan and is the number of request we allow per day. We defined the day from midnight to midnight of UTC time.\n\nThe second is rate limiting. We limit an end user, distinguished by IP address, to 10 requests per second. On top of that, we allow\neach user to send burst of 500 requests, which cools off at rate of 10 requests per second. In essence, a user is allowed to make another\nwhole burst after (currently) 500/10 = 50 seconds. E.g. if a user attemtps to make a call 3 seconds after whole burst, 30 requests will be processed.\nWe believe this should be sufficient for most of the use cases. If it is not and you have a specific use case, please get in touch with us, and\nwe will make sure to take it into account as much as we can.\n\n## SDKs\n\nWe support a number of SDKs that will help you in developing your application on top of Blockfrost.\n\n<table>\n <tr><td><b>Programming language</b></td><td><b>SDK</b></td></tr>\n <tr><td>JavaScript</td><td><a href=\"https://github.com/blockfrost/blockfrost-js\">blockfrost-js</a></tr>\n <tr><td>Haskell</td><td><a href=\"https://github.com/blockfrost/blockfrost-haskell\">blockfrost-haskell</a></tr>\n <tr><td>Python</td><td><a href=\"https://github.com/blockfrost/blockfrost-python\">blockfrost-python</a></tr>\n <tr><td>Rust</td><td><a href=\"https://github.com/blockfrost/blockfrost-rust\">blockfrost-rust</a></tr>\n <tr><td>Golang</td><td><a href=\"https://github.com/blockfrost/blockfrost-go\">blockfrost-go</a></tr>\n <tr><td>Ruby</td><td><a href=\"https://github.com/blockfrost/blockfrost-ruby\">blockfrost-ruby</a></tr>\n <tr><td>Java</td><td><a href=\"https://github.com/blockfrost/blockfrost-java\">blockfrost-java</a></tr>\n <tr><td>Scala</td><td><a href=\"https://github.com/blockfrost/blockfrost-scala\">blockfrost-scala</a></tr>\n <tr><td>Swift</td><td><a href=\"https://github.com/blockfrost/blockfrost-swift\">blockfrost-swift</a></tr>\n <tr><td>Kotlin</td><td><a href=\"https://github.com/blockfrost/blockfrost-kotlin\">blockfrost-kotlin</a></tr>\n <tr><td>Elixir</td><td><a href=\"https://github.com/blockfrost/blockfrost-elixir\">blockfrost-elixir</a></tr>\n <tr><td>.NET</td><td><a href=\"https://github.com/blockfrost/blockfrost-dotnet\">blockfrost-dotnet</a></tr>\n <tr><td>Arduino</td><td><a href=\"https://github.com/blockfrost/blockfrost-arduino\">blockfrost-arduino</a></tr>\n</table>\n\n# Authentication\n\n<!-- ReDoc-Inject: <security-definitions> -->"
},
"servers": [
{
"url": "https://cardano-mainnet.blockfrost.io/api/v0/",
"description": "Cardano Mainnet network"
},
{
"url": "https://cardano-testnet.blockfrost.io/api/v0/",
"description": "Cardano Testnet network"
},
{
"url": "https://cardano-preprod.blockfrost.io/api/v0/",
"description": "Cardano Preprod network"
},
{
"url": "https://cardano-preview.blockfrost.io/api/v0/",
"description": "Cardano Preview network"
},
{
"url": "https://localhost:3000",
"description": "local"
}
],
"security": [
{
"ApiKeyAuth": []
}
],
"tags": [
{
"name": "Health"
},
{
"name": "Metrics"
},
{
"name": "Cardano » Accounts"
},
{
"name": "Cardano » Addresses"
},
{
"name": "Cardano » Assets"
},
{
"name": "Cardano » Blocks"
},
{
"name": "Cardano » Epochs"
},
{
"name": "Cardano » Ledger"
},
{
"name": "Cardano » Metadata"
},
{
"name": "Cardano » Network"
},
{
"name": "Cardano » Pools"
},
{
"name": "Cardano » Scripts"
},
{
"name": "Cardano » Transactions"
},
{
"name": "Cardano » Utilities"
},
{
"name": "IPFS » Add"
},
{
"name": "IPFS » Gateway"
},
{
"name": "IPFS » Pins"
}
],
"paths": {
"/": {
"get": {
"tags": [
"Health"
],
"summary": "Root endpoint",
"description": "Root endpoint has no other function than to point end users to documentation.\n",
"responses": {
"200": {
"description": "Information pointing to the documentation.",
"content": {
"application/json": {
"schema": {
"type": "object",
"properties": {
"url": {
"type": "string",
"example": "https://blockfrost.io/"
},
"version": {
"type": "string",
"example": "0.1.0"
}
},
"required": [
"url",
"version"
]
}
}
}
},
"400": {
"$ref": "#/components/responses/400"
},
"403": {
"$ref": "#/components/responses/403"
},
"418": {
"$ref": "#/components/responses/418"
},
"429": {
"$ref": "#/components/responses/429"
},
"500": {
"$ref": "#/components/responses/500"
}
}
}
},
"/health": {
"get": {
"tags": [
"Health"
],
"summary": "Backend health status",
"security": [],
"description": "Return backend status as a boolean. Your application should handle situations when backend for the given chain is unavailable.\n",
"responses": {
"200": {
"description": "Return the boolean indicating the health of the backend.",
"content": {
"application/json": {
"schema": {
"type": "object",
"properties": {
"is_healthy": {
"type": "boolean",
"example": true
}
},
"required": [
"is_healthy"
]
}
}
}
},
"400": {
"$ref": "#/components/responses/400"
},
"403": {
"$ref": "#/components/responses/403"
},
"418": {
"$ref": "#/components/responses/418"
},
"429": {
"$ref": "#/components/responses/429"
},
"500": {
"$ref": "#/components/responses/500"
}
}
}
},
"/health/clock": {
"get": {
"tags": [
"Health"
],
"summary": "Current backend time",
"description": "This endpoint provides the current UNIX time. Your application might\nuse this to verify if the client clock is not out of sync.\n",
"responses": {
"200": {
"description": "Return the current UNIX time in milliseconds.",
"content": {
"application/json": {
"schema": {
"type": "object",
"properties": {
"server_time": {
"type": "integer",
"format": "int64",
"example": 1603400958947
}
},
"required": [
"server_time"
]
}
}
}
},
"400": {
"$ref": "#/components/responses/400"
},
"403": {
"$ref": "#/components/responses/403"
},
"418": {
"$ref": "#/components/responses/418"
},
"429": {
"$ref": "#/components/responses/429"
},
"500": {
"$ref": "#/components/responses/500"
}
}
}
},
"/blocks/latest": {
"get": {
"tags": [
"Cardano » Blocks"
],
"summary": "Latest block",
"description": "Return the latest block available to the backends, also known as the\ntip of the blockchain.\n",
"responses": {
"200": {
"description": "Return the contents of the block",
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/block_content"
}
}
}
},
"400": {
"$ref": "#/components/responses/400"
},
"403": {
"$ref": "#/components/responses/403"
},
"404": {
"$ref": "#/components/responses/404"
},
"418": {
"$ref": "#/components/responses/418"
},
"429": {
"$ref": "#/components/responses/429"
},
"500": {
"$ref": "#/components/responses/500"
}
}
}
},
"/blocks/latest/txs": {
"get": {
"tags": [
"Cardano » Blocks"
],
"summary": "Latest block transactions",
"description": "Return the transactions within the latest block.",
"parameters": [
{
"in": "query",
"name": "count",
"required": false,
"schema": {
"type": "integer",
"minimum": 1,
"maximum": 100,
"default": 100
},
"description": "The number of results displayed on one page."
},
{
"in": "query",
"name": "page",
"required": false,
"schema": {
"type": "integer",
"minimum": 1,
"maximum": 21474836,
"default": 1
},
"description": "The page number for listing the results."
},
{
"in": "query",
"name": "order",
"required": false,
"schema": {
"type": "string",
"enum": [
"asc",
"desc"
],
"default": "asc"
},
"description": "Ordered by tx index in the block.\nThe ordering of items from the point of view of the blockchain,\nnot the page listing itself. By default, we return oldest first, newest last.\n"
}
],
"responses": {
"200": {
"description": "Return the contents of the block",
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/block_content_txs"
}
}
}
},
"400": {
"$ref": "#/components/responses/400"
},
"403": {
"$ref": "#/components/responses/403"
},
"404": {
"$ref": "#/components/responses/404"
},
"418": {
"$ref": "#/components/responses/418"
},
"429": {
"$ref": "#/components/responses/429"
},
"500": {
"$ref": "#/components/responses/500"
}
}
}
},
"/blocks/{hash_or_number}": {
"get": {
"tags": [
"Cardano » Blocks"
],
"summary": "Specific block",
"description": "Return the content of a requested block.\n",
"parameters": [
{
"in": "path",
"name": "hash_or_number",
"required": true,
"schema": {
"type": "string",
"format": "64-character case-sensitive hexadecimal string or block number."
},
"description": "Hash or number of the requested block.",
"example": "4ea1ba291e8eef538635a53e59fddba7810d1679631cc3aed7c8e6c4091a516a"
}
],
"responses": {
"200": {
"description": "Return the contents of the block",
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/block_content"
}
}
}
},
"400": {
"$ref": "#/components/responses/400"
},
"403": {
"$ref": "#/components/responses/403"
},
"404": {
"$ref": "#/components/responses/404"
},
"418": {
"$ref": "#/components/responses/418"
},
"429": {
"$ref": "#/components/responses/429"
},
"500": {
"$ref": "#/components/responses/500"
}
}
}
},
"/blocks/{hash_or_number}/next": {
"get": {
"tags": [
"Cardano » Blocks"
],
"summary": "Listing of next blocks",
"description": "Return the list of blocks following a specific block.\n",
"parameters": [
{
"in": "path",
"name": "hash_or_number",
"required": true,
"schema": {
"type": "string",
"format": "64-character case-sensitive hexadecimal string or block number."
},
"description": "Hash of the requested block.",
"example": "5ea1ba291e8eef538635a53e59fddba7810d1679631cc3aed7c8e6c4091a516a"
},
{
"in": "query",
"name": "count",
"required": false,
"schema": {
"type": "integer",
"minimum": 1,
"maximum": 100,
"default": 100
},
"description": "The number of results displayed on one page."
},
{
"in": "query",
"name": "page",
"required": false,
"schema": {
"type": "integer",
"minimum": 1,
"maximum": 21474836,
"default": 1
},
"description": "The page number for listing the results."
}
],
"responses": {
"200": {
"description": "Return the contents of the block",
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/block_content_array"
}
}
}
},
"400": {
"$ref": "#/components/responses/400"
},
"403": {
"$ref": "#/components/responses/403"
},
"404": {
"$ref": "#/components/responses/404"
},
"418": {
"$ref": "#/components/responses/418"
},
"429": {
"$ref": "#/components/responses/429"
},
"500": {
"$ref": "#/components/responses/500"
}
}
}
},
"/blocks/{hash_or_number}/previous": {
"get": {
"tags": [
"Cardano » Blocks"
],
"summary": "Listing of previous blocks",
"description": "Return the list of blocks preceding a specific block.\n",
"parameters": [
{
"in": "path",
"name": "hash_or_number",
"required": true,
"schema": {
"type": "string",
"format": "64-character case-sensitive hexadecimal string or block number."
},
"description": "Hash of the requested block",
"example": "4873401"
},
{
"in": "query",
"name": "count",
"required": false,
"schema": {
"type": "integer",
"minimum": 1,
"maximum": 100,
"default": 100
},
"description": "The number of results displayed on one page."
},
{
"in": "query",
"name": "page",
"required": false,
"schema": {
"type": "integer",
"minimum": 1,
"maximum": 21474836,
"default": 1
},
"description": "The page number for listing the results."
}
],
"responses": {
"200": {
"description": "Return the contents of the block",
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/block_content_array"
}
}
}
},
"400": {
"$ref": "#/components/responses/400"
},
"403": {
"$ref": "#/components/responses/403"
},
"404": {
"$ref": "#/components/responses/404"
},
"418": {
"$ref": "#/components/responses/418"
},
"429": {
"$ref": "#/components/responses/429"
},
"500": {
"$ref": "#/components/responses/500"
}
}
}
},
"/blocks/slot/{slot_number}": {
"get": {
"tags": [
"Cardano » Blocks"
],
"summary": "Specific block in a slot",
"description": "Return the content of a requested block for a specific slot.\n",
"parameters": [
{
"in": "path",
"name": "slot_number",
"required": true,
"schema": {
"type": "integer",
"format": "slot number"
},
"description": "Slot position for requested block.",
"example": 30895909
}
],
"responses": {
"200": {
"description": "Return the contents of the block",
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/block_content"
}
}
}
},
"400": {
"$ref": "#/components/responses/400"
},
"403": {
"$ref": "#/components/responses/403"
},
"404": {
"$ref": "#/components/responses/404"
},
"418": {
"$ref": "#/components/responses/418"
},
"429": {
"$ref": "#/components/responses/429"
},
"500": {
"$ref": "#/components/responses/500"
}
}
}
},
"/blocks/epoch/{epoch_number}/slot/{slot_number}": {
"get": {
"tags": [
"Cardano » Blocks"
],
"summary": "Specific block in a slot in an epoch",
"description": "Return the content of a requested block for a specific slot in an epoch.\n",
"parameters": [
{
"in": "path",
"name": "epoch_number",
"required": true,
"schema": {
"type": "integer",
"format": "slot number"
},
"description": "Epoch for specific epoch slot.",
"example": 219
},
{
"in": "path",
"name": "slot_number",
"required": true,
"schema": {
"type": "integer",
"format": "slot number"
},
"description": "Slot position for requested block.",
"example": 30895909
}
],
"responses": {
"200": {
"description": "Return the contents of the block",
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/block_content"
}
}
}
},
"400": {
"$ref": "#/components/responses/400"
},
"403": {
"$ref": "#/components/responses/403"
},
"404": {
"$ref": "#/components/responses/404"
},
"418": {
"$ref": "#/components/responses/418"
},
"429": {
"$ref": "#/components/responses/429"
},
"500": {
"$ref": "#/components/responses/500"
}
}
}
},
"/blocks/{hash_or_number}/txs": {
"get": {
"tags": [
"Cardano » Blocks"
],
"summary": "Block transactions",
"description": "Return the transactions within the block.",
"parameters": [
{
"in": "path",
"name": "hash_or_number",
"required": true,
"schema": {
"type": "string",
"format": "64-character case-sensitive hexadecimal string or block number."
},
"description": "Hash of the requested block.",
"example": "4873401"
},
{
"in": "query",
"name": "count",
"required": false,
"schema": {
"type": "integer",
"minimum": 1,
"maximum": 100,
"default": 100
},
"description": "The number of results displayed on one page."
},
{
"in": "query",
"name": "page",
"required": false,
"schema": {
"type": "integer",
"minimum": 1,
"maximum": 21474836,
"default": 1
},
"description": "The page number for listing the results."
},
{
"in": "query",
"name": "order",
"required": false,
"schema": {
"type": "string",
"enum": [
"asc",
"desc"
],
"default": "asc"
},
"description": "Ordered by tx index in the block.\nThe ordering of items from the point of view of the blockchain,\nnot the page listing itself. By default, we return oldest first, newest last.\n"
}
],
"responses": {
"200": {
"description": "Return the contents of the block",
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/block_content_txs"
}
}
}
},
"400": {
"$ref": "#/components/responses/400"
},
"403": {
"$ref": "#/components/responses/403"
},
"404": {
"$ref": "#/components/responses/404"
},
"418": {
"$ref": "#/components/responses/418"
},
"429": {
"$ref": "#/components/responses/429"
},
"500": {
"$ref": "#/components/responses/500"
}
}
}
},
"/blocks/{hash_or_number}/addresses": {
"get": {
"tags": [
"Cardano » Blocks"
],
"summary": "Addresses affected in a specific block",
"description": "Return list of addresses affected in the specified block with additional information, sorted by the bech32 address, ascending.",
"parameters": [
{
"in": "path",
"name": "hash_or_number",
"required": true,
"schema": {
"type": "string",
"format": "64-character case-sensitive hexadecimal string or block number."
},
"description": "Hash of the requested block.",
"example": "4873401"
},
{
"in": "query",
"name": "count",
"required": false,
"schema": {
"type": "integer",
"minimum": 1,
"maximum": 100,
"default": 100
},
"description": "The number of results displayed on one page."
},
{
"in": "query",
"name": "page",
"required": false,
"schema": {
"type": "integer",
"minimum": 1,
"maximum": 21474836,
"default": 1
},
"description": "The page number for listing the results."
}
],
"responses": {
"200": {
"description": "Return the contents of the block",
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/block_content_addresses"
}
}
}
},
"400": {
"$ref": "#/components/responses/400"
},
"403": {
"$ref": "#/components/responses/403"
},
"404": {
"$ref": "#/components/responses/404"
},
"418": {
"$ref": "#/components/responses/418"
},
"429": {
"$ref": "#/components/responses/429"
},
"500": {
"$ref": "#/components/responses/500"
}
}
}
},
"/genesis": {
"get": {
"tags": [
"Cardano » Ledger"
],
"summary": "Blockchain genesis",
"description": "Return the information about blockchain genesis.",
"responses": {
"200": {
"description": "Return the genesis parameters.",
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/genesis_content"
}
}
}
},
"400": {
"$ref": "#/components/responses/400"
},
"403": {
"$ref": "#/components/responses/403"
},
"418": {
"$ref": "#/components/responses/418"
},
"429": {
"$ref": "#/components/responses/429"
},
"500": {
"$ref": "#/components/responses/500"
}
}
}
},
"/epochs/latest": {
"get": {
"tags": [
"Cardano » Epochs"
],
"summary": "Latest epoch",
"description": "Return the information about the latest, therefore current, epoch.",
"responses": {
"200": {
"description": "Return the data about the epoch",
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/epoch_content"
}
}
}
},
"400": {
"$ref": "#/components/responses/400"
},
"403": {
"$ref": "#/components/responses/403"
},
"404": {
"$ref": "#/components/responses/404"
},
"418": {
"$ref": "#/components/responses/418"
},
"429": {
"$ref": "#/components/responses/429"
},
"500": {
"$ref": "#/components/responses/500"
}
}
}
},
"/epochs/latest/parameters": {
"get": {
"tags": [
"Cardano » Epochs"
],
"summary": "Latest epoch protocol parameters",
"description": "Return the protocol parameters for the latest epoch.",
"responses": {
"200": {
"description": "Return the data about the epoch",
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/epoch_param_content"
}
}
}
},
"400": {
"$ref": "#/components/responses/400"
},
"403": {
"$ref": "#/components/responses/403"
},
"404": {
"$ref": "#/components/responses/404"
},
"418": {
"$ref": "#/components/responses/418"
},
"429": {
"$ref": "#/components/responses/429"
},
"500": {
"$ref": "#/components/responses/500"
}
}
}
},
"/epochs/{number}": {
"get": {
"tags": [
"Cardano » Epochs"
],
"summary": "Specific epoch",
"description": "Return the content of the requested epoch.",
"parameters": [
{
"in": "path",
"name": "number",
"required": true,
"schema": {
"type": "integer"
},
"description": "Number of the epoch",
"example": 225
}
],
"responses": {
"200": {
"description": "Return the epoch data.",
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/epoch_content"
}
}
}
},
"400": {
"$ref": "#/components/responses/400"
},
"403": {
"$ref": "#/components/responses/403"
},
"404": {
"$ref": "#/components/responses/404"
},