Chainstack Avalanche Node API
Chainstack-managed Avalanche C-Chain JSON-RPC nodes and Subnets support.
OpenAPI Specification
openapi: 3.0.3
info:
title: Chainstack Avalanche Node API
version: 1.0.0
description: Chainstack-managed RPC node API for the Avalanche 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/avalanche_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: Accounts Info
- name: Blocks Info
- name: Chain Info
- name: Client Info
- name: Debug And Trace
- name: Execute Transactions
- name: Filter Handling
- name: Gas Data
- name: Logs And Events
- name: Transactions Info
paths:
/eth_getBalance:
post:
tags:
- Accounts Info
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:
- '0x60dBc646a860F9eC715976f6A69D5Bc71BDaad98'
- pending
responses:
'200':
description: The account balance.
content:
application/json:
schema:
type: object
properties:
jsonrpc:
type: string
id:
type: integer
result:
type: object
/eth_getCode:
post:
tags:
- Accounts Info
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:
- '0x9702230A8Ea53601f5cD2dc00fDBc13d4dF4A8c7'
- 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_getStorageAt:
post:
tags:
- Accounts Info
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:
- '0xd5D517aBE5cF79B7e95eC98dB0f0277788aFF634'
- '0x0'
- 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_getTransactionCount:
post:
tags:
- Accounts Info
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:
- '0x60dBc646a860F9eC715976f6A69D5Bc71BDaad98'
- latest
responses:
'200':
description: The address nonce
content:
application/json:
schema:
type: object
properties:
jsonrpc:
type: string
id:
type: integer
result:
type: object
/eth_blockNumber:
post:
tags:
- Blocks Info
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_getBlockByHash:
post:
tags:
- Blocks Info
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:
- '0x3e76cf8acbbc6d07a2ae51a7af0457589264e67aaf0e94e2d2e0c09e5b6c04db'
- 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:
- Blocks Info
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:
- Blocks Info
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:
- '0x3e76cf8acbbc6d07a2ae51a7af0457589264e67aaf0e94e2d2e0c09e5b6c04db'
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:
- Blocks Info
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_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:
- Blocks Info
/eth_chainId:
post:
tags:
- Chain Info
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_syncing:
post:
tags:
- Chain Info
summary: Eth_Syncing
operationId: syncing
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_syncing
params:
type: array
default: []
responses:
'200':
description: Syncing information
content:
application/json:
schema:
type: object
properties:
jsonrpc:
type: string
id:
type: integer
result:
type: object
/net_listening:
post:
tags:
- Client Info
summary: Net_Listening
operationId: listening
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: net_listening
params:
type: array
default: []
responses:
'200':
description: The boolean value that indicates whether or not a node is currently actively seeking peer connections.
content:
application/json:
schema:
type: object
properties:
jsonrpc:
type: string
id:
type: integer
result:
type: string
/web3_clientVersion:
post:
tags:
- Client Info
summary: web3_clientVersion
operationId: clientVersion
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: web3_clientVersion
params:
type: array
default: []
responses:
'200':
description: The client running on this node.
content:
application/json:
schema:
type: object
properties:
jsonrpc:
type: string
id:
type: integer
result:
type: string
/debug_traceBlockByHash:
post:
tags:
- Debug And Trace
summary: debug_traceBlockByHash
operationId: traceBlockByHash
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: debug_traceBlockByHash
params:
type: array
items:
anyOf:
- type: string
title: Block Hash
description: The block hash.
- type: object
title: Tracer type
properties:
tracer:
type: string
description: The type of tracer.
default:
- '0x3e76cf8acbbc6d07a2ae51a7af0457589264e67aaf0e94e2d2e0c09e5b6c04db'
- tracer: 4byteTracer
responses:
'200':
description: The block traces.
content:
application/json:
schema:
type: object
properties:
jsonrpc:
type: string
id:
type: integer
result:
type: object
/debug_traceBlockByNumber:
post:
tags:
- Debug And Trace
summary: debug_traceBlockByNumber
operationId: traceBlockByNumber
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: debug_traceBlockByNumber
params:
type: array
items:
anyOf:
- type: string
title: Block identifier
description: The block hash.
- type: object
title: Tracer type
properties:
tracer:
type: string
description: The type of tracer.
default:
- latest
- tracer: callTracer
responses:
'200':
description: The block traces.
content:
application/json:
schema:
type: object
properties:
jsonrpc:
type: string
id:
type: integer
result:
type: object
/debug_traceCall:
post:
tags:
- Debug And Trace
summary: debug_traceCall
operationId: traceCall
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: debug_traceCall
params:
type: array
items:
anyOf:
- type: object
title: Transaction call Object
- type: string
title: Block Identifier
default:
- from: '0x9b15f13e0c3180aee2963b5fba6c0a1c71ddd1eb'
to: '0x0000000000a39bb272e79075ade125fd351887ac'
gas: '0x373AF'
gasPrice: '0xBD32B2ABC'
data: '0x638c06370000000000000000000000000000000000000000000000000000000000000001'
value: '0x1D24B2DFAC520000'
- '0x19FF919'
- tracer: callTracer
responses:
'200':
description: The call's trace.
content:
application/json:
schema:
type: object
properties:
jsonrpc:
type: string
id:
type: integer
result:
type: object
/debug_traceTransaction:
post:
tags:
- Debug And Trace
summary: debug_traceTransaction
operationId: traceTransaction
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: debug_traceTransaction
params:
type: array
items:
anyOf:
- type: string
title: Transaction hash
description: The hash of the transaction to trace.
- type: object
title: Tracing options
default:
- '0x9f96be4a4a10e1ac3a07b1a0fbd232fcc7049dd6d6593e335c94a4bdbb2ede40'
- tracer: prestateTracer
responses:
'200':
description: The transaction's trace.
content:
application/json:
schema:
type: object
properties:
jsonrpc:
type: string
id:
type: integer
result:
type: object
/eth_call:
post:
tags:
- Execute Transactions
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: '0xd6a4F121CA35509aF06A0Be99093d08462f53052'
data: '0x081e3eda'
- 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_sendRawTransaction:
post:
tags:
- Execute Transactions
summary: eth_sendRawTransaction
operationId: sendRawTransaction
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_sendRawTransaction
params:
type: array
items:
anyOf:
- type: string
description: The signed transaction.
default:
- '0xd46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb970870f072445675058bb8eb970870f072445675'
responses:
'200':
description: The transaction hash.
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:
- Filter Handling
/eth_uninstallFilter:
post:
summary: eth_uninstallFilter
operationId: uninstallFilter
requestBody:
required: true
content:
application/json:
schema:
type: object
properties:
jsonrpc:
type: string
default: '2.0'
method:
type: string
default: eth_uninstallFilter
params:
type: array
items:
type: string
title: Filter ID
default:
- '0xbdc5b4b99ca699e1d734fc4202afee79'
id:
type: integer
default: 1
responses:
'200':
description: Boolean value indicating if the filter was removed or not.
content:
application/json:
schema:
type: object
properties:
jsonrpc:
type: string
id:
type: integer
result:
type: boolean
tags:
- Filter Handling
/eth_estimateGas:
post:
tags:
- Gas Data
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: '0x60dBc646a860F9eC715976f6A69D5Bc71BDaad98'
to: '0xbe0eb53f46cd790cd13851d5eff43d12404d33e8'
- 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:
- Gas Data
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':
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