Cardano » Ledger API
The Cardano » Ledger API from Cardano — 1 operation(s) for cardano » ledger.
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OpenAPI Specification
openapi: 3.2.0
info:
version: 0.1.89
title: Blockfrost.io ~ API Documentation Cardano » Ledger API
x-logo:
url: https://staging.blockfrost.io/images/logo.svg
altText: Blockfrost
contact:
name: Blockfrost Team
url: https://blockfrost.io
email: contact@blockfrost.io
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, Midnight blockchain, and parts of their ecosystems.
servers:
- url: https://cardano-mainnet.blockfrost.io/api/v0
description: Cardano Mainnet 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:
- project_id: []
tags:
- name: Cardano » Ledger
paths:
/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'
operationId: getGenesis
x-operation-id-source: derived
components:
responses:
'400':
description: Bad request
content:
application/json:
schema:
type: object
properties:
status_code:
type: integer
example: 400
error:
type: string
example: Bad Request
message:
type: string
example: Backend did not understand your request.
required:
- error
- message
- status_code
'418':
description: IP has been auto-banned for extensive sending of requests after usage limit has been reached
content:
application/json:
schema:
type: object
properties:
status_code:
type: integer
example: 418
error:
type: string
example: Requested Banned
message:
type: string
example: IP has been auto-banned for flooding.
required:
- error
- message
- status_code
'500':
description: Internal Server Error
content:
application/json:
schema:
type: object
properties:
status_code:
type: integer
example: 500
error:
type: string
example: Internal Server Error
message:
type: string
example: An unexpected response was received from the backend.
required:
- error
- message
- status_code
'403':
description: Authentication secret is missing or invalid
content:
application/json:
schema:
type: object
properties:
status_code:
type: integer
example: 403
error:
type: string
example: Forbidden
message:
type: string
example: Invalid project token.
required:
- error
- message
- status_code
'429':
description: Usage limit reached
content:
application/json:
schema:
type: object
properties:
status_code:
type: integer
example: 429
error:
type: string
example: Project Over Limit
message:
type: string
example: Usage is over limit.
required:
- error
- message
- status_code
schemas:
genesis_content:
type: object
properties:
active_slots_coefficient:
type: number
example: 0.05
description: The proportion of slots in which blocks should be issued
update_quorum:
type: integer
example: 5
description: Determines the quorum needed for votes on the protocol parameter updates
max_lovelace_supply:
type: string
example: '45000000000000000'
description: The total number of lovelace in the system
network_magic:
type: integer
example: 764824073
description: Network identifier
epoch_length:
type: integer
example: 432000
description: Number of slots in an epoch
system_start:
type: integer
example: 1506203091
description: Time of slot 0 in UNIX time
slots_per_kes_period:
type: integer
example: 129600
description: Number of slots in an KES period
slot_length:
type: integer
example: 1
description: Duration of one slot in seconds
max_kes_evolutions:
type: integer
example: 62
description: The maximum number of time a KES key can be evolved before a pool operator must create a new operational certificate
security_param:
type: integer
example: 2160
description: Security parameter k
required:
- active_slots_coefficient
- update_quorum
- max_lovelace_supply
- network_magic
- epoch_length
- system_start
- slots_per_kes_period
- slot_length
- max_kes_evolutions
- security_param
securitySchemes:
project_id:
type: apiKey
in: header
name: project_id
description: 'There are multiple token types available based on network you choose
when creating a Blockfrost a project, for a list of token types
see available networks.
'