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Beta — PolyNode RPC is in early access.

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Overview

Every transaction submitted through PolyNode RPC is tracked from submission to block inclusion. You can query the exact block position and confirmation latency.

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Submit a Transaction

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raw_tx
string
required
Hex-encoded signed transaction (with or without 0x prefix)
POST https://rpc.polynode.dev/v1/tx/submit
Content-Type: application/json

{
  "raw_tx": "0x02f87083..."
}

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Response

{
  "tx_hash": "0xabc123...",
  "submitted_at": 1710524000,
  "status": "pending"
}
FieldDescription
tx_hashTransaction hash
statuspending — waiting for block inclusion

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Check Transaction Status

GET https://rpc.polynode.dev/v1/tx/{tx_hash}

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Pending

{
  "status": "pending",
  "submitted_at": 1710524000,
  "elapsed_ms": 1500
}

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Confirmed

{
  "status": "confirmed",
  "submitted_at": 1710524000,
  "confirmed_at": 1710524002,
  "block_number": 84210500,
  "block_hash": "0xdef456...",
  "tx_index": 0,
  "total_txs_in_block": 186,
  "is_first": true,
  "latency_ms": 2450
}
FieldDescription
block_numberBlock the transaction was included in
tx_indexPosition within the block (0 = first transaction)
total_txs_in_blockTotal transactions in the block
is_firstWhether this was the first transaction in the block
latency_msTime from submission to block confirmation

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Expired

If a transaction isn’t included within ~128 seconds (64 blocks), it’s marked as expired: 
{
  "status": "expired",
  "submitted_at": 1710524000,
  "reason": "not included within 64 blocks"
}

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Aggregate Stats

GET https://rpc.polynode.dev/v1/stats

{
  "total_submitted": 1000,
  "total_confirmed": 998,
  "total_first_position": 895,
  "first_position_rate": 0.897,
  "total_expired": 2,
  "pending": 0,
  "avg_latency_ms": 2450
}