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API · /matic-api

Polygon (MATIC) On-Chain API

healthy 3,599 Subscribers

Live Polygon PoS on-chain data as an API, built on the open Blockscout explorer. Polygon (chain id 137) is one of the most-used Ethereum-compatible networks; its native currency is POL (formerly MATIC) and fees are tiny. Pull network stats (total blocks and transactions, POL price, live gas), a gas oracle with slow, average and fast prices in gwei, the most recent blocks and full block detail by height or hash. Look up any address for its POL balance and contract status, any transaction by hash for its value, fee, status, sender and receiver, and any ERC-20 token by contract for its name, symbol, decimals, holders and USD rate. A universal search resolves addresses, tokens, blocks and transactions in one call. Real on-chain data, no key needed upstream. Ideal for Polygon wallets, block explorers, gas trackers, DeFi and NFT dashboards and on-chain analytics.

#polygon #matic #pol #ethereum #blockchain #erc20 #on-chain
api.oanor.com/matic-api
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Machine-readable spec so AI agents can integrate this API.

/api/matic-api/openapi.json
/api/matic-api/llms.txt

Discovery: GET /api/index.json lists every API.

Polygon (MATIC) On-Chain API — live data on the oanor API marketplace

API health

healthy
Uptime
100.00%
Server probes · 24h
Avg latency
780 ms
Server probes · 24h
Subscribers
3,599
active
Total calls
171
last 7 days
status Full status page → · 27 probes/24h

Pricing

Pick a tier — billed monthly, cancel anytime.

Free

Free

  • 6,500 calls / month
  • 2 requests / second
  • Hard cap (429 above quota, no overage)
  • 6,500 calls/month
  • 2 req/sec
  • Stats + gas + blocks
  • No credit card
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Starter

€6.50 /month

  • 98,000 calls / month
  • 8 requests / second
  • Hard cap (429 above quota, no overage)
  • 98k calls/month
  • 8 req/sec
  • Address + tx + token lookup
  • Email support
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Pro

€25.00 /month

  • 560,000 calls / month
  • 25 requests / second
  • Hard cap (429 above quota, no overage)
  • 560k calls/month
  • 25 req/sec
  • Polygon wallets / dashboards
  • Priority support
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Mega

€82.00 /month

  • 2,750,000 calls / month
  • 50 requests / second
  • Hard cap (429 above quota, no overage)
  • 2.75M calls/month
  • 50 req/sec
  • DeFi / NFT analytics platform
  • Dedicated SLA
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api.oanor.com/polygon-api

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EIP Registry API

A live, queryable index of every Ethereum Improvement Proposal (EIP) and ERC token standard, read keyless straight from the canonical ethereum/EIPs and ethereum/ERCs repositories. Look up any proposal by number for its title, status (Draft, Review, Last Call, Final, Living, Stagnant or Withdrawn), type and category, authors, creation date, what it requires and its abstract; pull several proposals at once; or list the whole catalog of 1,500+ EIPs and ERCs. The reference layer for wallets, block explorers, documentation sites and developer tooling that need to resolve "what is EIP-1559" or "is ERC-4626 final yet" programmatically instead of scraping a website. Always current — read live from the source repos, lightly cached.

api.oanor.com/eipregistry-api

Frequently asked questions

Quick answers about pricing, quotas, and integration.

How do I get an API key for Polygon (MATIC) On-Chain API?
Sign up for free at oanor.com, generate an API key from the developer dashboard, and call Polygon (MATIC) On-Chain API with the x-oanor-key header. No credit card needed for the free tier.
What's the rate limit for Polygon (MATIC) On-Chain API?
Free tier allows 1 request per second. Paid plans scale up to 50 requests per second on the Mega tier. Hard limits return HTTP 429 above the quota — no surprise overage charges.
How much does Polygon (MATIC) On-Chain API cost?
Polygon (MATIC) On-Chain API has a free tier with 100 calls / month. Paid plans start at €6.50 / month with higher quotas and faster rate limits.
Can I cancel my subscription anytime?
Yes. Plans are billed monthly and you can cancel anytime from your billing dashboard. No long-term contracts and no cancellation fee.
Is Polygon (MATIC) On-Chain API GDPR-compliant?
All requests to Polygon (MATIC) On-Chain API go through our EU-based gateway. Your upstream API key never leaves our server and no personal data is shared with the upstream provider beyond the request you send.

Pick an endpoint from the list on the left to see its details and try it.

Code snippets

Sign up to get an API key, then call any path under your slug.

curl https://api.oanor.com/matic-api/SOME_PATH \
  -H "x-oanor-key: oanor_test_..."
const res = await fetch("https://api.oanor.com/matic-api/SOME_PATH", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
const data = await res.json();
$ch = curl_init("https://api.oanor.com/matic-api/SOME_PATH");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, ["x-oanor-key: oanor_test_..."]);
$response = curl_exec($ch);
import requests
r = requests.get(
    "https://api.oanor.com/matic-api/SOME_PATH",
    headers={"x-oanor-key": "oanor_test_..."},
)
print(r.json())

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