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Stacks 2.0 Blockchain API (1.0.0)

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This is the documentation for the Stacks 2.0 Blockchain API.

It is comprised of two parts; the Stacks Blockchain API and the Stacks Core API.

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Faucets

Get STX tokens

Get STX tokens for the testnet

query Parameters
address
required
string

STX address

stacking
boolean
Default: false

Request the amount of STX needed for stacking

Responses

Response samples

Content type
application/json
{
  • "success": true,
  • "txId": "0xf2f0402f9f4c4d43b382690c4f7b97e24d5ff5dd5c619e3615daa64dca7ef4bc",
  • "txRaw": "80800000000400164247d6f2b425ac5771423ae6c80c754f7172b0000000000000003200000000000000b400008537046ff1008368baaa3ff2235122c556b89dad4f9df0639b924cf32a44b866497e49846b24191e711b21faaae96ca0542e4a140168484740b94211cececb3303020000000000051ab52c45b1a7977204f17ac0b6f48306aea2dbb8e9000000000007a12046617563657400000000000000000000000000000000000000000000000000000000"
}

Get BTC tokens

Get BTC tokens for the testnet

query Parameters
address
required
string

BTC address

Responses

Response samples

Content type
application/json
{
  • "success": true,
  • "txId": "0xf2f0402f9f4c4d43b382690c4f7b97e24d5ff5dd5c619e3615daa64dca7ef4bc",
  • "txRaw": "80800000000400164247d6f2b425ac5771423ae6c80c754f7172b0000000000000003200000000000000b400008537046ff1008368baaa3ff2235122c556b89dad4f9df0639b924cf32a44b866497e49846b24191e711b21faaae96ca0542e4a140168484740b94211cececb3303020000000000051ab52c45b1a7977204f17ac0b6f48306aea2dbb8e9000000000007a12046617563657400000000000000000000000000000000000000000000000000000000"
}

Transactions

Get recent transactions

Get all recently mined transactions

If using TypeScript, import typings for this response from our types package:

import type { TransactionResults } from '@stacks/stacks-blockchain-api-types';

query Parameters
limit
integer

max number of transactions to fetch

offset
integer

index of first transaction to fetch

type
Array of strings
Items Enum: "coinbase" "token_transfer" "smart_contract" "contract_call" "poison_microblock"

Filter by transaction type

unanchored
boolean
Default: false

Include transaction data from unanchored (i.e. unconfirmed) microblocks

Responses

Response samples

Content type
application/json
{
  • "limit": 10,
  • "offset": 0,
  • "total": 101922,
  • "results": [
    ]
}

Get mempool transactions

Get all recently-broadcast mempool transactions

query Parameters
sender_address
string

Filter to only return transactions with this sender address.

recipient_address
string

Filter to only return transactions with this recipient address (only applicable for STX transfer tx types).

address
string

Filter to only return transactions with this address as the sender or recipient (recipient only applicable for STX transfer tx types).

limit
integer

max number of mempool transactions to fetch

offset
integer

index of first mempool transaction to fetch

unanchored
boolean
Default: false

Include transaction data from unanchored (i.e. unconfirmed) microblocks

Responses

Response samples

Content type
application/json
{
  • "limit": 96,
  • "offset": 0,
  • "total": 5,
  • "results": [