Private Transactions

Use this endpoint to send a private transaction on Polygon Mainnet using bloXroute's BDN. Transactions are protected from front-running and MEV. The endpoint returns the transaction hash as a response.

Access & Payment

Access to Polygon Private Txs requires either a prepaid balance.

Top up a prepaid balance via the bloXroute Portal. Usage is tracked per transaction and costs are deducted automatically based on volume-based pricing tiers. See pricing here.

Tier	Min monthly txs	Max monthly txs	Attempted/non-landed rate	Landed rate
0 to 2.5k	0	2,500	$0.060	$0.240
2.5k to 10k	2,500	10,000	$0.030	$0.120
10k to 50k	10,000	50,000	$0.025	$0.100
50k to 100k	50,000	100,000	$0.020	$0.080
>100k	100,000+	Custom	Custom	Custom

Submission Endpoint

• Method: polygon_private_tx

• Cloud API Endpoint: api.blxrbdn.com

• Request type: HTTPS, WSS

Parameters

Parameter	Description	Instructions & Notes
transaction	Raw transactions bytes without 0x prefix.	[Required]
backrunme_reward_address	Wallet address to receive BackRunMe rewards	[Optional]

Examples

HTTPS POST

curl -X POST https://api.blxrbdn.com/ \
  -H "Authorization: <YOUR-AUTHORIZATION-HEADER>" \
  -H "Content-Type: application/json" \
  -d '{
    "jsonrpc": "2.0",
    "id": 1,
    "method": "polygon_private_tx",
    "params": {
      "transaction": "f86b0184...e0b58219"
    }
  }'

wscat WS

Response:

{
  "jsonrpc": "2.0",
  "id": "1",
  "result": {
    "tx_hash": "ffd59870844e5...bfa54a69"
  }
}