Developer APIs & Documentation

High-performance REST API endpoints and POL JSON-RPC 2.0 proxy for Heimdall validatored mainnet.

Named Accounts & Storage Staking

Inspect POL human-readable accounts (0x..., *.tg), 64-hex implicit accounts, access keys, and storage staking reservations.

GET /api/v1/explorer/address/{address}

Heimdall & Bor Vitals & Gwei

Live shard gas prices, 100M Wei base fee telemetry, 1.1s block progression, and 100 active Heimdall & Bor validators.

GET /api/v1/explorer/vitals?chain=polygon

Transactions & Execution Receipts

Retrieve Base58 transactions, cross-contract execution receipt chains, prepaid vs burnt Gwei, and execution outcome logs.

GET /api/v1/explorer/tx/{hash}

JSON-RPC 2.0 Node Proxy

Direct proxy to official Polygon PoS RPC methods (status, block, chunk, tx, query, broadcast_tx_commit).

POST /api/v1/polygon/rpc

Blocks & Shard Chunks

Stream final blocks, chunk headers across all 6 Heimdall validators, validator signatures, and VRF proof hashes.

GET /api/v1/explorer/feed/stream

ERC-20 Tokens & DEX Pools

Access verified POL fungible tokens (USDt, USDC, SWEAT, REF, AURORA), QuickSwap AMM pools, and Burrow money markets.

GET /api/v1/explorer/tokens

nearcore JSON-RPC 2.0

Official Polygon PoS RPC API Reference

Direct cryptographic RPC calls accessible via POST /api/v1/polygon/rpc or our archival endpoint clusters.

POST /rpc → status

Retrieve live node status, latest finalized block height, Heimdall & Bor epoch sync, active validator list, and protocol version.

Auth: Public RPC Node

JSON-RPC Request

{
  "jsonrpc": "2.0",
  "id": "polygonscanner",
  "method": "status",
  "params": []
}

JSON-RPC Response

{
  "jsonrpc": "2.0",
  "id": "polygonscanner",
  "result": {
    "chain_id": "mainnet",
    "sync_info": {
      "latest_block_hash": "2Z9...WfB",
      "latest_block_height": 139284910,
      "latest_block_time": "2026-03-14T12:00:00.000Z",
      "syncing": false
    },
    "validators": [
      {"account_id": "kucoin.poolv1.polygon"},
      {"account_id": "figment.poolv1.polygon"}
    ],
    "version": {
      "version": "2.1.0",
      "build": "crates-io/nearcore"
    }
  }
}

Interactive Request Examples

Select language to preview HTTP integration.

curl -X GET "https://polygonscanner.com/api/v1/explorer/vitals?chain=polygon" \
  -H "Accept: application/json"

API Plans & Rate Limits

Plan Tier	Rate Limit	Daily Quota	Networks	Pricing
Community Free	20 req / sec	250,000 calls / day	Polygon Mainnet + Testnet	Free ($0/mo)
Developer Pro	100 req / sec	2,500,000 calls / day	Dedicated FastNear Archival Nodes	$49 / mo