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API · /moonriver-api

Moonriver API

healthy 3,404 Subscribers

Real-time on-chain data for Moonriver (chain-id 1285) — the Ethereum-compatible companion network to Moonbeam, deployed on Kusama, with MOVR as its native token. Query live network status (latest block height, network id, client version), fetch any block by height or the latest one (timestamp, transaction count, gas used / limit, base fee, miner), read the current gas price in wei and gwei, and look up the native MOVR balance and transaction count of any address. A keyless, no-account JSON wrapper over the canonical Moonriver JSON-RPC node — decoded from hex into plain decimals and human-readable MOVR so you do not have to. Ideal for explorers, wallets, dashboards, gas estimators and analytics on Moonriver.

#moonriver #movr #kusama #parachain #blockchain #crypto #evm #rpc
api.oanor.com/moonriver-api
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Machine-readable spec so AI agents can integrate this API.

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

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

API health

healthy
Uptime
100.00%
Server probes · 24h
Avg latency
146 ms
Server probes · 24h
Subscribers
3,404
active
Total calls
5
last 7 days
status Full status page → · 10 probes/24h

Pricing

Pick a tier — billed monthly, cancel anytime.

Free

Free

  • 4,000 calls / month
  • 3 requests / second
  • Hard cap (429 above quota, no overage)
  • 4k calls/month
  • 3 req/sec
  • All 5 endpoints
  • No credit card
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Basic

€13.50 /month

  • 58,800 calls / month
  • 10 requests / second
  • Hard cap (429 above quota, no overage)
  • 58.8k calls/month
  • 10 req/sec
  • Status, blocks, gas & balances
  • Email support
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Pro

€35.20 /month

  • 218,000 calls / month
  • 25 requests / second
  • Hard cap (429 above quota, no overage)
  • 218k calls/month
  • 25 req/sec
  • Higher throughput
  • Priority support
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Mega

€75.40 /month

  • 907,000 calls / month
  • 60 requests / second
  • Hard cap (429 above quota, no overage)
  • 907k calls/month
  • 60 req/sec
  • Production scale
  • Dedicated SLA
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Related APIs

Other APIs with overlapping tags.

Polkadot & Kusama Governance (OpenGov) API

Polkadot and Kusama OpenGov, live from the public Polkassembly API — no key, nothing cached. OpenGov is a fully on-chain governance system: anyone can submit a referendum on a governance track, it accrues aye / nay / abstain votes weighted by conviction-locked DOT or KSM, and treasury referenda spend on-chain funds to beneficiaries. There is no other Polkadot reader in the marketplace; this opens the governance layer. List the most recent referenda for a network with their governance track, status and proposer. Read a single referendum in full — its aye / nay / support tally converted from Planck to DOT/KSM, its status, track, requested treasury amount and proposer. And surface the referenda that are currently open for voting (Deciding / Confirming / Submitted / Preparing) so wallets and delegates can act. Works for both Polkadot and Kusama through the network parameter. The OpenGov layer for Polkadot/Kusama wallets, governance dashboards, delegates and analytics. Live from api.polkassembly.io.

api.oanor.com/polkadotgov-api

Moonbeam API

Real-time on-chain data for Moonbeam (chain-id 1284) — the Ethereum-compatible smart-contract parachain on Polkadot, fully EVM-compatible with GLMR as its native token. Query live network status (latest block height, network id, client version), fetch any block by height or the latest one (timestamp, transaction count, gas used / limit, base fee, miner), read the current gas price in wei and gwei, and look up the native GLMR balance and transaction count of any address. A keyless, no-account JSON wrapper over the canonical Moonbeam JSON-RPC node — decoded from hex into plain decimals and human-readable GLMR so you do not have to. Ideal for explorers, wallets, dashboards, gas estimators and analytics on Moonbeam.

api.oanor.com/moonbeam-api

Meter API

Live EVM on-chain data for Meter (chain id 82) — the HotStuff-BFT proof-of-stake Layer-1 whose native gas token is MTR — served directly from public EVM JSON-RPC nodes with multi-node failover. The status endpoint returns the chain and network id, the latest block height and the node client version. The block endpoint returns a block by number (or the latest) with its hash, parent hash, timestamp, transaction count, gas used and gas limit, miner and size. The gas endpoint returns the current gas price in both wei and gwei. The balance endpoint returns the MTR balance and outgoing transaction count for any address, converted from base wei (18 decimals) into whole MTR with exact big-integer scaling. Every figure is read live from the chain over JSON-RPC — nothing bundled or modelled — behind a short server-side cache with keep-warm so the feed stays fast and fresh. Ideal for explorers, wallet and dashboard tooling, gas trackers, address monitors and analytics apps across the Meter ecosystem. Live keyless upstream. 5 endpoints.

api.oanor.com/meter-api

Songbird API

Live EVM on-chain data for Songbird (chain id 19) — the canary network of the Flare blockchain, whose native token is SGB — served directly from public C-chain JSON-RPC nodes with multi-node failover. The status endpoint returns the chain and network id, the latest block height and the node client version. The block endpoint returns a block by number (or the latest) with its hash, parent hash, timestamp, transaction count, gas used and gas limit, miner and size. The gas endpoint returns the current gas price in both wei and gwei. The balance endpoint returns the SGB balance and outgoing transaction count for any address, converted from base wei (18 decimals) into whole SGB with exact big-integer scaling. Every figure is read live from the chain over JSON-RPC — nothing bundled or modelled — behind a short server-side cache with keep-warm so the feed stays fast and fresh. Ideal for explorers, wallet and dashboard tooling, gas trackers, address monitors and analytics apps across the Flare and Songbird ecosystem. Live keyless upstream. 5 endpoints.

api.oanor.com/songbird-api

Frequently asked questions

Quick answers about pricing, quotas, and integration.

How do I get an API key for Moonriver API?
Sign up for free at oanor.com, generate an API key from the developer dashboard, and call Moonriver API with the x-oanor-key header. No credit card needed for the free tier.
What's the rate limit for Moonriver 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 Moonriver API cost?
Moonriver API has a free tier with 100 calls / month. Paid plans start at €13.50 / 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 Moonriver API GDPR-compliant?
All requests to Moonriver 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/moonriver-api/SOME_PATH \
  -H "x-oanor-key: oanor_test_..."
const res = await fetch("https://api.oanor.com/moonriver-api/SOME_PATH", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
const data = await res.json();
$ch = curl_init("https://api.oanor.com/moonriver-api/SOME_PATH");
curl_setopt($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/moonriver-api/SOME_PATH",
    headers={"x-oanor-key": "oanor_test_..."},
)
print(r.json())

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