Maestro Official Developer Documentation

Transaction Info with Metaprotocols (Mempool-aware)

curl --request GET \
  --url https://xbt-mainnet.gomaestro-api.org/v0/mempool/transactions/{tx_hash}/metaprotocols \
  --header 'api-key: <api-key>'

{
  "data": {
    "fees": "508",
    "height": 900962,
    "inputs": [
      {
        "address": "bc1qyvtvxfyz60mmudgsmtxxpf22jl040ejmpj5mqnwv9lwr30jzmygqhr9tv8",
        "inscriptions": [],
        "runes": [],
        "satoshis": "3666696",
        "script_pubkey": "00202316c32482d3f7be3510dacc60a54a97df57e65b0ca9b04dcc2fdc38be42d910",
        "txid": "ed6273c6ff9259ec6a68dff0b21ddc4499e2e6d9837981f8c5089ac4935f6cf5",
        "vout": 0
      },
      {
        "address": "bc1pn2w92qyh7mwpf9rzmnvjnc0whswft243n0ntj50lurpnsjwwfy9sjur75v",
        "inscriptions": [],
        "runes": [],
        "satoshis": "600",
        "script_pubkey": "51209a9c550097f6dc149462dcd929e1eebc1c95aab19be6b951ffe0c33849ce490b",
        "txid": "a115a1818805fa06a80eaa57287c0c3f57d5993c1f0d3f771523b4d11711d31f",
        "vout": 1
      }
    ],
    "metaprotocols": [
      "runes"
    ],
    "outputs": [
      {
        "address": null,
        "inscriptions": [],
        "runes": [],
        "satoshis": "0",
        "script_pubkey": "6a5d0b00c0a23303ffbedbb50201",
        "spending_tx": null
      },
      {
        "address": "bc1pdruptufwh9awfepzq506kh03392lk074n4a5cy3v8zu0ma0sjvtqhwdu85",
        "inscriptions": [],
        "runes": [],
        "satoshis": "546",
        "script_pubkey": "512068f815f12eb97ae4e422051fab5df18955fb3fd59d7b4c122c38b8fdf5f09316",
        "spending_tx": null
      },
      {
        "address": "bc1qyvtvxfyz60mmudgsmtxxpf22jl040ejmpj5mqnwv9lwr30jzmygqhr9tv8",
        "inscriptions": [],
        "runes": [],
        "satoshis": "3641305",
        "script_pubkey": "00202316c32482d3f7be3510dacc60a54a97df57e65b0ca9b04dcc2fdc38be42d910",
        "spending_tx": null
      },
      {
        "address": "bc1qp8j9sx6609h7llqufurxjgrwsqwt020tqzn0gs",
        "inscriptions": [],
        "runes": [],
        "satoshis": "580",
        "script_pubkey": "001409e4581b5a796feffc1c4f0669206e801cb7a9eb",
        "spending_tx": null
      },
      {
        "address": "bc1qqx7h6wrl52hxwqnp8v8k072ahnr3sq8huzynww",
        "inscriptions": [],
        "runes": [],
        "satoshis": "24357",
        "script_pubkey": "001401bd7d387fa2ae6702613b0f67f95dbcc71800f7",
        "spending_tx": null
      }
    ],
    "sats_per_vb": 2,
    "volume": "3666788"
  },
  "indexer_info": {
    "chain_tip": {
      "block_hash": "0000000000000000000148c7dbf4f8721db8912485cc6860e5b22f9b62e09870",
      "block_height": 900961
    },
    "estimated_blocks": [
      {
        "block_height": 900962,
        "sats_per_vb": {
          "max": 101,
          "median": 4,
          "min": 2
        }
      }
    ],
    "mempool_timestamp": "2025-06-12 17:27:29"
  }
}

GET

mempool

transactions

{tx_hash}

metaprotocols

Transaction Info with Metaprotocols (Mempool-aware)

curl --request GET \
  --url https://xbt-mainnet.gomaestro-api.org/v0/mempool/transactions/{tx_hash}/metaprotocols \
  --header 'api-key: <api-key>'

{
  "data": {
    "fees": "508",
    "height": 900962,
    "inputs": [
      {
        "address": "bc1qyvtvxfyz60mmudgsmtxxpf22jl040ejmpj5mqnwv9lwr30jzmygqhr9tv8",
        "inscriptions": [],
        "runes": [],
        "satoshis": "3666696",
        "script_pubkey": "00202316c32482d3f7be3510dacc60a54a97df57e65b0ca9b04dcc2fdc38be42d910",
        "txid": "ed6273c6ff9259ec6a68dff0b21ddc4499e2e6d9837981f8c5089ac4935f6cf5",
        "vout": 0
      },
      {
        "address": "bc1pn2w92qyh7mwpf9rzmnvjnc0whswft243n0ntj50lurpnsjwwfy9sjur75v",
        "inscriptions": [],
        "runes": [],
        "satoshis": "600",
        "script_pubkey": "51209a9c550097f6dc149462dcd929e1eebc1c95aab19be6b951ffe0c33849ce490b",
        "txid": "a115a1818805fa06a80eaa57287c0c3f57d5993c1f0d3f771523b4d11711d31f",
        "vout": 1
      }
    ],
    "metaprotocols": [
      "runes"
    ],
    "outputs": [
      {
        "address": null,
        "inscriptions": [],
        "runes": [],
        "satoshis": "0",
        "script_pubkey": "6a5d0b00c0a23303ffbedbb50201",
        "spending_tx": null
      },
      {
        "address": "bc1pdruptufwh9awfepzq506kh03392lk074n4a5cy3v8zu0ma0sjvtqhwdu85",
        "inscriptions": [],
        "runes": [],
        "satoshis": "546",
        "script_pubkey": "512068f815f12eb97ae4e422051fab5df18955fb3fd59d7b4c122c38b8fdf5f09316",
        "spending_tx": null
      },
      {
        "address": "bc1qyvtvxfyz60mmudgsmtxxpf22jl040ejmpj5mqnwv9lwr30jzmygqhr9tv8",
        "inscriptions": [],
        "runes": [],
        "satoshis": "3641305",
        "script_pubkey": "00202316c32482d3f7be3510dacc60a54a97df57e65b0ca9b04dcc2fdc38be42d910",
        "spending_tx": null
      },
      {
        "address": "bc1qp8j9sx6609h7llqufurxjgrwsqwt020tqzn0gs",
        "inscriptions": [],
        "runes": [],
        "satoshis": "580",
        "script_pubkey": "001409e4581b5a796feffc1c4f0669206e801cb7a9eb",
        "spending_tx": null
      },
      {
        "address": "bc1qqx7h6wrl52hxwqnp8v8k072ahnr3sq8huzynww",
        "inscriptions": [],
        "runes": [],
        "satoshis": "24357",
        "script_pubkey": "001401bd7d387fa2ae6702613b0f67f95dbcc71800f7",
        "spending_tx": null
      }
    ],
    "sats_per_vb": 2,
    "volume": "3666788"
  },
  "indexer_info": {
    "chain_tip": {
      "block_hash": "0000000000000000000148c7dbf4f8721db8912485cc6860e5b22f9b62e09870",
      "block_height": 900961
    },
    "estimated_blocks": [
      {
        "block_height": 900962,
        "sats_per_vb": {
          "max": 101,
          "median": 4,
          "min": 2
        }
      }
    ],
    "mempool_timestamp": "2025-06-12 17:27:29"
  }
}

Authorizations

api-key

string

header

required

Project API Key

Path Parameters

tx_hash

string

required

Transaction hash

Response

Requested data

data

object

required

Show child attributes

data.fees

string

required

Fees paid to the miner.

Example:

"2504"

data.height

integer<int64>

required

Block height.

Required range: x >= 0

Example:

875075

data.inputs

object[]

required

List of inputs, in the same order as the transaction.

Show child attributes

data.inputs.inscriptions

object[]

required

List of inscription IDs and their offsets in this input.

Show child attributes

data.inputs.inscriptions.inscription_id

string

required

data.inputs.inscriptions.offset

integer<int64>

required

Required range: x >= 0

data.inputs.runes

object[]

required

List of rune IDs and their amount in this input.

Show child attributes

data.inputs.runes.amount

string

required

data.inputs.runes.rune_id

string

required

data.inputs.satoshis

string

required

Total number of satoshis in the UTxO.

Example:

"1234567"

data.inputs.script_pubkey

string

required

Script pubkey at which the input resides.

Example:

"5120a72a43b1b79d75d69ae9652184b2b83ec84b3b43a7082ff59baaad5722597596"

data.inputs.txid

string

required

Transaction hash of the UTxO.

Example:

"2ca28d42583fc5bace84fe024d3697969e06dd1cf769a2141286825b81773fd5"

data.inputs.vout

integer<int32>

required

Output index of the UTxO.

Required range: x >= 0

Example:

0

data.inputs.address

string | null

Address-encoding of the script pubkey at which the input resides.

Example:

"bc1p5u4y8vdhn46adxhfv5scfv4c8myykw6r5uyzlavm42k4wgjewktq7xqcyr"

data.metaprotocols

enum<string>[]

required

Whether any of the transactions in the block involved metaprotocols.

Available options:

inscriptions,

runes,

brc20

data.outputs

object[]

required

List of outputs, in the same order as the transaction.

Show child attributes

data.outputs.inscriptions

object[]

required

List of inscription IDs and their offsets in this input.

Show child attributes

data.outputs.inscriptions.inscription_id

string

required

data.outputs.inscriptions.offset

integer<int64>

required

Required range: x >= 0

data.outputs.runes

object[]

required

List of rune IDs and their amount in this input.

Show child attributes

data.outputs.runes.amount

string

required

data.outputs.runes.rune_id

string

required

data.outputs.satoshis

string

required

Total number of satoshis in the UTxO.

Example:

"1234567"

data.outputs.script_pubkey

string

required

Script pubkey at which the output containing the inscription resides.

Example:

"51200aeeaf0263f5417e40850ef04cf73f43209b13401038c2cd34d201b5e685626e"

data.outputs.address

string | null

Address-encoding of the script pubkey at which the output containing the inscription resides.

Example:

"bc1ppth27qnr74qhusy9pmcyeaelgvsfky6qzquv9nf56gqmte59vfhqwkqguh"

data.outputs.spending_tx

string | null

If this output is known to have been spent, hash of the transaction that spent it.

Example:

"2ca28d42583fc5bace84fe024d3697969e06dd1cf769a2141286825b81773fd5"

data.sats_per_vb

integer<int64>

required

sats per vB of the transaction.

Required range: x >= 0

Example:

15

data.volume

string

required

Total number of satoshis that went through this transaction, minus fees.

Example:

"12345678"

indexer_info

object

required

Show child attributes

indexer_info.chain_tip

object

required

Show child attributes

indexer_info.chain_tip.block_hash

string

required

The hash of the block

Example:

"0000000000000000000a7f3b7b6b6e1d9a18db65a3b4a3f4f3bcb2e1f1b2d3e7"

indexer_info.chain_tip.block_height

integer<int64>

required

The height of the block in the blockchain

Required range: x >= 0

Example:

707000

indexer_info.estimated_blocks

object[]

required

Information about any estimated blocks from the mempool that were indexed in addition to the mainchain

Show child attributes

indexer_info.estimated_blocks.block_height

integer<int64>

required

Height of the estimated block

Required range: x >= 0

Example:

"707001"

indexer_info.estimated_blocks.sats_per_vb

object

required

For transactions within a block, these are the lowest, median and highest satoshis per virtual-byte values.

Show child attributes

indexer_info.estimated_blocks.sats_per_vb.max

integer<int64>

required

Highest sat/vB value of the transactions within the block

Required range: x >= 0

Example:

255

indexer_info.estimated_blocks.sats_per_vb.median

integer<int64>

required

Median sat/vB value of the transactions within the block

Required range: x >= 0

Example:

15

indexer_info.estimated_blocks.sats_per_vb.min

integer<int64>

required

Lowest sat/vB value of the transactions within the block

Required range: x >= 0

Example:

11

indexer_info.mempool_timestamp

string | null

Timestamp of the indexed mempool snapshot, if any estimated blocks from the mempool have been indexed

Transaction Propagator Transaction Output Info (Mempool-aware)

⌘I

Blockchain Indexer API

Esplora API

Node RPC API

Mempool Monitoring API

Event Manager API

Market Price API

Wallet API

Transaction Info with Metaprotocols (Mempool-aware)

Authorizations

Path Parameters

Response