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API · /solanatx-api

Solana Transaction API

healthy 4,241 Subscribers

Decode any Solana transaction by its signature, live from public Solana RPC — no key. Where a signatures list just tells you a transaction happened, this tells you what it did: the fee and fee payer, success or failure with the on-chain error, the slot and block time, compute units consumed, the parsed instructions and full program log, and — most usefully — the actual value that moved, decoded into SOL balance changes and SPL-token balance changes per account. A dedicated transfers endpoint extracts just the money movements, and a status endpoint gives a fast confirmation check (processed / confirmed / finalized) for payment flows. Call any endpoint without a signature and it returns a fresh live example transaction. The transaction-decoding layer every Solana wallet, explorer, payment processor and trading bot needs. Live from the chain; short cache only.

#solana #transaction #decode #transfers #onchain #rpc #crypto
api.oanor.com/solanatx-api
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Machine-readable spec so AI agents can integrate this API.

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

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

API health

healthy
Uptime
100.00%
Server probes · 24h
Avg latency
109 ms
Server probes · 24h
Subscribers
4,241
active
Total calls
16
last 7 days
status Full status page → · 12 probes/24h

Pricing

Pick a tier — billed monthly, cancel anytime.

Free

Free

  • 5,400 calls / month
  • 3 requests / second
  • Hard cap (429 above quota, no overage)
  • 5,400 calls/month
  • 3 req/sec
  • Decode + transfers + status
  • No credit card
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Starter

€11.40 /month

  • 113,000 calls / month
  • 8 requests / second
  • Hard cap (429 above quota, no overage)
  • 113k calls/month
  • 8 req/sec
  • Parsed instructions + logs
  • Email support
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Pro

€37.50 /month

  • 700,000 calls / month
  • 20 requests / second
  • Hard cap (429 above quota, no overage)
  • 700k calls/month
  • 20 req/sec
  • Token balance decoding
  • Priority support
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Business

€106.00 /month

  • 4,500,000 calls / month
  • 50 requests / second
  • Hard cap (429 above quota, no overage)
  • 4.5M calls/month
  • 50 req/sec
  • Commercial use
  • Dedicated SLA
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Related APIs

Other APIs with overlapping tags.

Pacifica Perpetuals DEX API

Live market data for Pacifica, the Solana-based perpetuals DEX, with no key. List every perpetual market with its contract specs; pull an all-market price feed with mark/mid/oracle price, funding rate, open interest and 24h volume per symbol; read the live order book; and stream recent public trades. Symbols are plain coin tickers (BTC, SOL, WIF) — ideal for Solana-perp dashboards, funding-rate monitors and trading analytics across 69+ perpetual markets.

api.oanor.com/pacifica-api

DexPaprika On-Chain DEX API

Live on-chain decentralized-exchange market data across 35+ blockchains, with no key. List every supported network with its 24h DEX volume, transaction count and pool count; read the DEXes active on any chain; pull the top liquidity pools ranked by volume; get full token detail with multi-window price stats; search across every chain for tokens, pools and DEXes; and read global coverage totals. The on-chain / DEX / liquidity-pool layer for DeFi dashboards, token analytics, trading and research — distinct from centralized-exchange ticker readers. Live from DexPaprika (by the CoinPaprika team); short cache only.

api.oanor.com/dexpaprika-api

Backpack Exchange API

Live spot and perpetual-futures market data from Backpack, the Solana-native crypto exchange, with no key. List every spot and perp market; read the 24h ticker for any pair (last price, change, high/low, volume, trade count); pull the order-book depth, OHLC candlesticks and most-recent trades; and for perpetuals read the mark price, index price, funding rate and open interest. The live exchange-data / derivatives layer for trading bots, dashboards, arbitrage and analytics — distinct from the Binance, bitFlyer and XT exchange readers. Live from Backpack; short cache only.

api.oanor.com/backpack-api

Solana Program API

Inspect deployed Solana programs live from public Solana RPC — no key — and answer the question that matters most for safety: can this program still be changed, and by whom? For any program address it resolves the loader it runs under, whether it is executable, its on-chain ProgramData account, the upgrade authority (or that it has been made immutable / frozen), and the slot it was last deployed at. A batch endpoint audits up to twelve programs at once — perfect for checking the upgrade authority of every program a protocol depends on before you trust it — and a loaders endpoint documents Solana's program loaders. Distinct from balance, token and transaction APIs: this is the program and upgrade-authority layer that auditors, wallets and security tooling rely on to judge whether a Solana program is safe. Live from the chain; short cache only.

api.oanor.com/solanaprogram-api

Frequently asked questions

Quick answers about pricing, quotas, and integration.

How do I get an API key for Solana Transaction API?
Sign up for free at oanor.com, generate an API key from the developer dashboard, and call Solana Transaction API with the x-oanor-key header. No credit card needed for the free tier.
What's the rate limit for Solana Transaction 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 Solana Transaction API cost?
Solana Transaction API has a free tier with 100 calls / month. Paid plans start at €11.40 / 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 Solana Transaction API GDPR-compliant?
All requests to Solana Transaction 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/solanatx-api/SOME_PATH \
  -H "x-oanor-key: oanor_test_..."
const res = await fetch("https://api.oanor.com/solanatx-api/SOME_PATH", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
const data = await res.json();
$ch = curl_init("https://api.oanor.com/solanatx-api/SOME_PATH");
curl_setopt($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/solanatx-api/SOME_PATH",
    headers={"x-oanor-key": "oanor_test_..."},
)
print(r.json())

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