Chainstack BNB Smart Chain Node API
Chainstack-managed BNB Smart Chain JSON-RPC nodes. 43+ documented EVM methods plus archive support on dedicated nodes.
OpenAPI Specification
openapi: 3.0.3
info:
title: Chainstack BNB Smart Chain Node API
version: 1.0.0
description: Chainstack-managed RPC node API for the BNB Smart Chain 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/bnb_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:
/custom_js_tracer:
post:
tags:
- General
summary: Custom JS tracer
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: The JS custom tracer object
default:
- '0x19b65f065ba8ebe235f0180bfcbc62ec0e7a043073f9f11f46c5775e898ac763'
- tracer: '{gasUsed: [], step: function(log) { this.gasUsed.push(log.getGas()); }, result: function() {
return this.gasUsed; }, fault: function() {}}'
responses:
'200':
description: The transaction's trace
content:
application/json:
schema:
type: object
properties:
jsonrpc:
type: string
id:
type: integer
result:
type: object
/debug_traceBlockByHash:
post:
tags:
- General
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:
- '0x77bb5442d7e8138f95dc192cb5933c20dbe333ff6cfc57747e40ebd47c2d45d7'
- 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:
- General
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:
- General
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: '0xA936fC19a00162AbE0e40323b64C2afE1c7f88Ff'
to: '0x0000000000a39bb272e79075ade125fd351887ac'
gas: '0x1E9EF'
gasPrice: '0xBD32B2ABC'
data: '0xd0e30db0'
- latest
- 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:
- General
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:
- '0x0e77e2cf5a6999f616b56f1378b6c7b127b5a4e20cb2e12611d808af0979dacf'
- tracer: unigramTracer
responses:
'200':
description: The transaction's trace.
content:
application/json:
schema:
type: object
properties:
jsonrpc:
type: string
id:
type: integer
result:
type: object
/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: '0x0E09FaBB73Bd3Ade0a17ECC321fD13a19e81cE82'
data: '0x893d20e8'
- 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: '0xb218C5D6aF1F979aC42BC68d98A5A0D796C6aB01'
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:
- '0x6B8E1585035b5B53afcd9791076E43b53D3e1AA4'
- 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:
- '0x06edbf31479cd7452a1d579ec7990a631068b670de89c06822ceaef58f3729d4'
- 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_getBlockReceipts:
post:
tags:
- General
summary: eth_getBlockReceipts
operationId: getBlockReceipts
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_getBlockReceipts
params:
type: array
items:
type: string
title: Block identifier
default:
- latest
responses:
'200':
description: The block receipts information
content:
application/json:
schema:
type: object
properties:
jsonrpc:
type: string
id:
type: integer
result:
type: array
items:
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:
- '0x06edbf31479cd7452a1d579ec7990a631068b670de89c06822ceaef58f3729d4'
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:
- '0x0E09FaBB73Bd3Ade0a17ECC321fD13a19e81cE82'
- 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: '0x0E09FaBB73Bd3Ade0a17ECC321fD13a19e81cE82'
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:
- '0x0E09FaBB73Bd3Ade0a17ECC321fD13a19e81cE82'
- - '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:
- '0x0E09FaBB73Bd3Ade0a17ECC321fD13a19e81cE82'
- '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_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
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# Full source: https://raw.githubusercontent.com/api-evangelist/chainstack/refs/heads/main/openapi/chainstack-bnb-node-api-openapi.yml