Chainstack Cronos Node API
Chainstack-managed Cronos JSON-RPC nodes.
OpenAPI Specification
openapi: 3.0.3
info:
title: Chainstack Cronos Node API
version: 1.0.0
description: Chainstack-managed RPC node API for the Cronos blockchain. Endpoints follow the canonical JSON-RPC over HTTPS
interface for the network. Authenticate against your Chainstack node's per-node URL (e.g. https://nd-XXX-XXX-XXX.p2pify.com/<key>).
Merged from the Chainstack Developer Portal per-method fragments at https://github.com/chainstack/dev-portal/tree/main/openapi/cronos_node_api.
contact:
name: Chainstack API Support
email: [email protected]
license:
name: Chainstack Terms
url: https://chainstack.com/terms-of-service/
servers:
- url: https://{node_id}.p2pify.com/{api_key}
description: Chainstack-managed node endpoint
variables:
node_id:
default: nd-000-000-000
description: Your Chainstack node identifier
api_key:
default: <api-key>
description: Per-node access key
tags:
- name: General
paths:
/eth_blockNumber:
post:
tags:
- General
summary: eth_blockNumber
operationId: eth_blockNumber
requestBody:
required: true
content:
application/json:
schema:
type: object
properties:
id:
type: integer
default: 1
jsonrpc:
type: string
default: '2.0'
method:
type: string
default: eth_blockNumber
params:
type: array
default: []
responses:
'200':
description: The latest block number.
content:
application/json:
schema:
type: object
properties:
jsonrpc:
type: string
id:
type: integer
result:
type: object
/eth_call:
post:
tags:
- General
summary: Eth_Call
operationId: ethCall
requestBody:
required: true
content:
application/json:
schema:
type: object
properties:
jsonrpc:
type: string
default: '2.0'
method:
type: string
default: eth_call
id:
type: integer
default: 1
params:
type: array
items:
type: object
title: Call object
properties:
to:
type: string
description: The address of the contract to call.
data:
type: string
description: The data to send with the call.
default:
- to: '0x5C7F8A570d578ED84E63fdFA7b1eE72dEae1AE23'
data: '0x313ce567'
- latest
responses:
'200':
description: The result of the call.
content:
application/json:
schema:
type: object
properties:
jsonrpc:
type: string
id:
type: integer
result:
type: string
/eth_chainId:
post:
tags:
- General
summary: eth_chainId
operationId: getChainId
requestBody:
required: true
content:
application/json:
schema:
type: object
properties:
id:
type: integer
default: 1
jsonrpc:
type: string
default: '2.0'
method:
type: string
default: eth_chainId
params:
type: array
default: []
responses:
'200':
description: The network Chain ID
content:
application/json:
schema:
type: object
properties:
jsonrpc:
type: string
id:
type: integer
result:
type: string
/eth_estimateGas:
post:
tags:
- General
summary: eth_estimateGas
operationId: estimateGas
requestBody:
required: true
content:
application/json:
schema:
type: object
properties:
id:
type: integer
default: 1
jsonrpc:
type: string
default: '2.0'
method:
type: string
default: eth_estimateGas
params:
type: array
items:
type: object
properties:
from:
type: string
format: byte
to:
type: string
format: byte
default:
- from: '0x25aA97464F38a1506a16160bbc03cfC6DD863da3'
to: '0x2A39319dB98A3982F7C363380b72C66Ab1FFe228'
- latest
responses:
'200':
description: The estimated gas amount
content:
application/json:
schema:
type: object
properties:
jsonrpc:
type: string
id:
type: integer
result:
type: string
format: byte
/eth_gasPrice:
post:
tags:
- General
summary: eth_gasPrice
operationId: getGasPrice
requestBody:
required: true
content:
application/json:
schema:
type: object
properties:
id:
type: integer
default: 1
jsonrpc:
type: string
default: '2.0'
method:
type: string
default: eth_gasPrice
params:
type: array
default: []
responses:
'200':
description: The value of the current gas base fee in Wei.
content:
application/json:
schema:
type: object
properties:
jsonrpc:
type: string
id:
type: integer
result:
type: string
/eth_getBalance:
post:
tags:
- General
summary: eth_getBalance
operationId: getBalance
requestBody:
required: true
content:
application/json:
schema:
type: object
properties:
id:
type: integer
default: 1
jsonrpc:
type: string
default: '2.0'
method:
type: string
default: eth_getBalance
params:
type: array
items:
anyOf:
- type: string
title: Address
description: The address identifier.
- type: string
title: Block identifier
description: The block identifier.
default:
- '0x71F0cDb17454ad7EeB7e26242292fe0E0189645a'
- pending
responses:
'200':
description: The account balance.
content:
application/json:
schema:
type: object
properties:
jsonrpc:
type: string
id:
type: integer
result:
type: object
/eth_getBlockByHash:
post:
tags:
- General
summary: eth_getBlockByHash
operationId: getBlockByHash
requestBody:
required: true
content:
application/json:
schema:
type: object
properties:
id:
type: integer
default: 1
jsonrpc:
type: string
default: '2.0'
method:
type: string
default: eth_getBlockByHash
params:
type: array
items:
anyOf:
- type: string
title: Block Hash
description: The hash identifying the block.
- type: boolean
title: Transaction selector
description: True for the full transactions, false for only the transaction hashes.
default:
- '0x2230d083edc1173cbc7a7ab977318d6a8fc53fec6f147efb0c6544a9c4fc18fd'
- false
responses:
'200':
description: The block information
content:
application/json:
schema:
type: object
properties:
jsonrpc:
type: string
id:
type: integer
result:
type: object
/eth_getBlockByNumber:
post:
tags:
- General
summary: eth_getBlockByNumber
operationId: getBlockByNumber
requestBody:
required: true
content:
application/json:
schema:
type: object
properties:
id:
type: integer
default: 1
jsonrpc:
type: string
default: '2.0'
method:
type: string
default: eth_getBlockByNumber
params:
type: array
items:
anyOf:
- type: string
title: Block identifier
description: The block number or tag.
- type: boolean
title: Transaction selector
description: True for the full transactions, false for only the transaction hashes.
default:
- latest
- false
responses:
'200':
description: The block information
content:
application/json:
schema:
type: object
properties:
jsonrpc:
type: string
id:
type: integer
result:
type: object
/eth_getBlockTransactionCountByHash:
post:
tags:
- General
summary: eth_getBlockTransactionCountByHash
operationId: getBlockTransactionCountByHash
requestBody:
required: true
content:
application/json:
schema:
type: object
properties:
id:
type: integer
default: 1
jsonrpc:
type: string
default: '2.0'
method:
type: string
default: eth_getBlockTransactionCountByHash
params:
type: array
items:
type: string
title: Block hash
description: The block hash identifier.
default:
- '0x2230d083edc1173cbc7a7ab977318d6a8fc53fec6f147efb0c6544a9c4fc18fd'
responses:
'200':
description: The block information
content:
application/json:
schema:
type: object
properties:
jsonrpc:
type: string
id:
type: integer
result:
type: string
/eth_getBlockTransactionCountByNumber:
post:
tags:
- General
summary: eth_getBlockTransactionCountByNumber
operationId: getBlockTransactionCountByNumber
requestBody:
required: true
content:
application/json:
schema:
type: object
properties:
id:
type: integer
default: 1
jsonrpc:
type: string
default: '2.0'
method:
type: string
default: eth_getBlockTransactionCountByNumber
params:
type: array
items:
type: string
title: Block identifier
description: The block number or tag.
default:
- latest
responses:
'200':
description: The block transaction count information
content:
application/json:
schema:
type: object
properties:
jsonrpc:
type: string
id:
type: integer
result:
type: string
/eth_getCode:
post:
tags:
- General
summary: eth_getCode
operationId: getCode
requestBody:
required: true
content:
application/json:
schema:
type: object
properties:
id:
type: integer
default: 1
jsonrpc:
type: string
default: '2.0'
method:
type: string
default: eth_getCode
params:
type: array
items:
anyOf:
- type: string
title: Smart contract address
description: The address identifier.
- type: string
title: Block identifier
description: The block identifier.
default:
- '0x5C7F8A570d578ED84E63fdFA7b1eE72dEae1AE23'
- latest
responses:
'200':
description: The smart contract code.
content:
application/json:
schema:
type: object
properties:
jsonrpc:
type: string
id:
type: integer
result:
type: object
/eth_getFilterChanges:
post:
summary: eth_getFilterChanges
operationId: getFilterChanges
requestBody:
required: true
content:
application/json:
schema:
type: object
properties:
jsonrpc:
type: string
default: '2.0'
method:
type: string
default: eth_getFilterChanges
params:
type: array
items:
type: string
title: The filter ID
default:
- '0xbdc5b4b99ca699e1d734fc4202afee79'
id:
type: integer
default: 1
responses:
'200':
description: The filter changes.
content:
application/json:
schema:
type: object
properties:
jsonrpc:
type: string
id:
type: integer
result:
type: array
items:
type: string
tags:
- General
/eth_getLogs:
post:
tags:
- General
summary: eth_getLogs
operationId: getLogs
requestBody:
required: true
content:
application/json:
schema:
type: object
properties:
method:
type: string
default: eth_getLogs
params:
type: array
items:
type: object
properties:
fromBlock:
type: string
title: from block
description: The block number or tag to start searching for logs from.
default: latest
address:
type: string
title: smart contract address
description: The contract address to retrieve the logs for.
topics:
type: array
title: topics
items:
type: string
description: An array of 32-byte topics to filter for. Each topic is treated as an OR condition.
default:
- fromBlock: latest
address: '0x5C7F8A570d578ED84E63fdFA7b1eE72dEae1AE23'
topics:
- '0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef'
id:
type: integer
default: 1
jsonrpc:
type: string
default: '2.0'
responses:
'200':
description: An array of log objects matching the specified filter.
content:
application/json:
schema:
type: object
properties:
jsonrpc:
type: string
id:
type: integer
result:
type: array
items:
type: object
/eth_getProof:
post:
tags:
- General
summary: eth_getProof
operationId: getProof
requestBody:
required: true
content:
application/json:
schema:
type: object
properties:
method:
type: string
default: eth_getProof
params:
type: array
items:
anyOf:
- type: string
title: Account address
description: The address of the account to query.
- type: array
title: Storage keys
description: An array of storage keys to query.
items:
type: string
- type: string
title: Block ID
description: The block number or tag to use as a reference.
default:
- '0x5C7F8A570d578ED84E63fdFA7b1eE72dEae1AE23'
- - '0xf6e506a9cbe7546a796b187c40609a170ea8073e047129a3cae1c38e6d7559b7'
- latest
id:
type: integer
default: 1
jsonrpc:
type: string
default: '2.0'
responses:
'200':
description: The account state proof.
content:
application/json:
schema:
type: object
properties:
jsonrpc:
type: string
id:
type: integer
result:
type: object
properties:
accountProof:
type: array
items:
type: string
storageProof:
type: array
items:
type: object
properties:
key:
type: string
value:
type: string
proof:
type: array
items:
type: string
/eth_getStorageAt:
post:
tags:
- General
summary: eth_getStorageAt
operationId: getStorageAt
requestBody:
required: true
content:
application/json:
schema:
type: object
properties:
method:
type: string
default: eth_getStorageAt
params:
type: array
items:
anyOf:
- type: string
title: Smart contract address
description: The address of the contract to query.
- type: string
title: Slot index
description: The index of the storage position to query.
- type: string
title: Block ID
description: The block number or tag to use as a reference.
default:
- '0x5C7F8A570d578ED84E63fdFA7b1eE72dEae1AE23'
- '0x2'
- latest
id:
type: integer
default: 1
jsonrpc:
type: string
default: '2.0'
responses:
'200':
description: The value stored at the specified position.
content:
application/json:
schema:
type: object
properties:
jsonrpc:
type: string
id:
type: integer
result:
type: string
/eth_getTransactionByBlockHashAndIndex:
post:
tags:
- General
summary: eth_getTransactionByBlockHashAndIndex
operationId: getTransactionByBlockHashAndIndex
requestBody:
required: true
content:
application/json:
schema:
type: object
properties:
id:
type: integer
default: 1
jsonrpc:
type: string
default: '2.0'
method:
type: string
default: eth_getTransactionByBlockHashAndIndex
params:
type: array
items:
anyOf:
- type: string
title: Block hash
- type: string
title: Transaction index
default:
- '0x876920092375935114a506dbe0daa54018abd25091c4b34c4a2202fa4c485562'
- '0x2'
responses:
'200':
description: The transaction information
content:
application/json:
schema:
type: object
properties:
jsonrpc:
type: string
id:
type: integer
result:
type: object
/eth_getTransactionByBlockNumberAndIndex:
post:
tags:
- General
summary: eth_getTransactionByBlockNumberAndIndex
operationId: getTransactionByBlockNumberAndIndex
requestBody:
required: true
content:
application/json:
schema:
type: object
properties:
id:
type: integer
default: 1
jsonrpc:
type: string
default: '2.0'
method:
type: string
default: eth_getTransactionByBlockNumberAndIndex
params:
type: array
items:
anyOf:
- type: string
title: Block number
- type: string
title: Transaction index
default:
- '0xd20ec4'
- '0x3'
responses:
'200':
description: The transaction information
content:
application/json:
schema:
type: object
properties:
jsonrpc:
type: string
id:
type: integer
result:
type: object
/eth_getTransactionByHash:
post:
tags:
- General
summary: eth_getTransactionByHash
operationId: getTransactionByHash
requestBody:
required: true
content:
application/json:
schema:
type: object
properties:
id:
type: integer
default: 1
jsonrpc:
type: string
default: '2.0'
method:
type: string
default: eth_getTransactionByHash
params:
type: array
items:
type: string
title: Transaction hash
default:
- '0x07352b3cfc68b13f2e01b60f3edc6c6bb8bb1a3926f1055f9f6a2cde15eec01c'
responses:
'200':
description: The transaction information
content:
application/json:
schema:
type: object
properties:
jsonrpc:
type: string
id:
type: integer
result:
type: object
/eth_getTransactionCount:
post:
tags:
- General
summary: eth_getTransactionCount
operationId: getTransactionCount
requestBody:
required: true
content:
application/json:
schema:
type: object
properties:
id:
type: integer
default: 1
jsonrpc:
type: string
default: '2.0'
method:
type: string
default: eth_getTransactionCount
params:
type: array
items:
anyOf:
- type: string
title: Address
description: The address to check
- type: string
title: Block identifier
description: The block identifier
default:
- '0x71F0cDb17454ad7EeB7e26242292fe0E0189645a'
- latest
responses:
'200':
description: The address nonce
content:
application/json:
schema:
type: object
properties:
jsonrpc:
type: string
id:
type: integer
result:
type: object
/eth_getTransactionReceipt:
post:
tags:
- General
summary: eth_getTransactionReceipt
operationId: getTransactionReceipt
requestBody:
required: true
content:
application/json:
schema:
type: object
properties:
id:
type: integer
default: 1
jsonrpc:
type: string
default: '2.0'
method:
type: string
default: eth_getTransactionReceipt
params:
type: array
items:
type: string
title: Transaction hash
default:
- '0x07352b3cfc68b13f2e01b60f3edc6c6bb8bb1a3926f1055f9f6a2cde15eec01c'
responses:
'200':
description: The transaction receipt
content:
application/json:
schema:
type: object
properties:
jsonrpc:
type: string
id:
type: integer
result:
type: object
/eth_maxPriorityFeePerGas:
post:
tags:
- General
summary: eth_maxPriorityFeePerGas
operationId: maxPriorityFeePerGas
requestBody:
required: true
content:
application/json:
schema:
type: object
properties:
id:
type: integer
default: 1
jsonrpc:
type: string
default: '2.0'
method:
type: string
default: eth_maxPriorityFeePerGas
params:
type: array
default: []
responses:
'200':
description: The estimated max priority fee per gas
content:
application/json:
schema:
type: object
properties:
jsonrpc:
type: string
id:
type: integer
result:
type: string
format: byte
/eth_newBlockFilter:
post:
summary: eth_newBlockFilter
operationId: newBlockFilter
requestBody:
required: true
content:
application/json:
schema:
type: object
properties:
jsonrpc:
type: string
default: '2.0'
method:
type: string
default: eth_newBlockFilter
params:
type: array
default: []
id:
type: integer
default: 1
responses:
'200':
description: The new filter ID.
content:
application/json:
schema:
type: object
properties:
jsonrpc:
type: string
id:
type: integer
result:
type: array
items:
type: string
tags:
- General
/eth_newFilter:
post:
tags:
- General
summary: eth_newFilter
operationId: newFilter
requestBody:
required: true
content:
application/json:
schema:
type: object
properties:
method:
type: string
default: eth_newFilter
params:
type: array
items:
type: object
properties:
fromBlock:
type: string
title: from block
description: The block number or tag to start searching for logs from.
default: latest
address:
type: string
title: smar
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