Polkadex

Substrate Substrate

Polkadex is a Substrate-based blockchain network indexed by the SQD Network. Access real-time and historical data including blocks, transactions, and event logs through the SQD Portal API.

Quick Facts

Networks 1

Runtime Substrate

Real-time No

Data tables 0

Category Substrate

Networks

polkadex

Substrate mainnet 0 tables

How to index Polkadex blockchain data

Stream Polkadex transactions and blocks from the SQD Portal in two lines of code. The example below uses the public endpoint, no API key required for development.

1curl --compressed -X POST \
'https://portal.sqd.dev/datasets/polkadex/stream' \
-H 'Content-Type: application/json' \
-d '{
    "type": "substrate",
    "fromBlock": 0,
    "toBlock": 100,
    "fields": {
      "block": {"number":true,"timestamp":true},
      "event": {"name":true,"args":true}
    },
    "events": [{}]
  }'

polkadex/stream

Substrate · blocks 0–100

Build with Polkadex data

Common production patterns teams ship with SQD on Polkadex.

DeFi & Trading

Index swaps, liquidations, and positions on Polkadex in real time.

Analytics

Build dashboards and metrics from full Polkadex historical state.

AI Agents

Give agents structured, decoded Polkadex data with the MCP server.

Wallets & Payments

Power balance, transfer, and history views for Polkadex wallets.

Compliance & KYT

Validated Polkadex data for transaction monitoring and audits.

Stablecoins

Track every mint, burn, and transfer of Polkadex stablecoins.

Real-World Assets

Auditable Polkadex data for tokenized RWA issuance and transfers.

Frequently asked questions

How do I index Polkadex blockchain data?

Use the SQD Portal API at portal.sqd.dev/datasets/polkadex or the open-source Squid SDK. Both stream Polkadex blocks, transactions, and onchain events from historical archives. The free tier supports development; paid Portal deployments cover production workloads with SLA-backed latency.

Is the Polkadex API free?

Yes. SQD provides a free public Portal endpoint for Polkadex with no API key required. For higher rate limits, dedicated infrastructure, and SLA-backed uptime, see the SQD Pricing page.

What Polkadex data tables does SQD provide?

SQD indexes the standard set of Polkadex data including blocks, transactions, and onchain events. All data is decoded and validated at ingestion.

Does SQD support real-time Polkadex data?

Polkadex historical and recent data is available through SQD's archival layer. Real-time streaming for Polkadex is on the roadmap, request priority via the SQD contact form.

What's the difference between SQD and an RPC node for Polkadex?

An RPC node serves raw, unvalidated Polkadex data limited to recent state. SQD's Portal indexes the full Polkadex history, decodes it into queryable tables, validates every block at ingestion, and serves it through a typed SDK, no node operations required.

Can I self-host Polkadex indexing with SQD?

Yes, the Squid SDK is open-source under the GPLv3 license. You can run your own indexer against the SQD Network or the Portal, or deploy on SQD Cloud for fully managed hosting.