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721–744 of 2045 APIs

Transaction Lookup API

Live blockchain transaction, receipt and block lookup, read straight from the chain's public JSON-RPC node — no key, nothing cached. Give it a transaction hash and the transaction endpoint returns the full picture: the sender and recipient, the value moved (in wei and human ETH), the gas limit and gas price, the nonce, the block it landed in, the input-data size, and — by also reading the receipt — whether it succeeded or failed, the gas actually used, the effective gas price, the fee paid in ETH, the number of event logs it emitted, any contract it created and how many confirmations it now has. The receipt endpoint returns just the execution result (status, gas used, logs, contract address). The block endpoint takes a block number or "latest" and returns its timestamp, transaction count, gas used and limit with utilisation, base fee and miner. It works across seven EVM chains — Ethereum, Polygon, BNB Smart Chain, Arbitrum, Optimism, Base and Avalanche — with friendly aliases (eth, matic, bnb, arb, op, avax). This is the explorer-grade transaction layer every wallet, payment processor, dapp and dashboard needs to confirm and inspect on-chain activity. Read live from the chain, nothing stored. Distinct from balance, token-metadata and name-resolution APIs — this is transaction, receipt and block data read directly from the blockchain. 4 endpoints across 7 chains.

#transaction #blockchain #ethereum
P by PremiumApi
Uptime
100.0%
Latency
115ms
Subs
3,771
Server verified 12 probes/24h

api.oanor.com/txlookup-api

Keybase Identity API

Live cryptographic social-identity lookup from Keybase — no key, nothing cached. Keybase links a person's identities together with public-key cryptography, so this answers "who is this account, really, and what else are they?". The user endpoint takes a Keybase username and returns the profile (full name, location, bio, picture), every verified identity proof — the Twitter, GitHub, Reddit, Hacker News, Mastodon, website and DNS accounts that user has cryptographically proven are theirs — plus their on-file cryptocurrency addresses (Bitcoin, Zcash and more) and PGP key fingerprint: Keybase user "chris" resolves to Chris Coyne in Maine, with proven twitter/github/reddit @malgorithms and a Bitcoin address. The lookup endpoint runs the reverse — give it a GitHub, Twitter, Reddit or Hacker News handle, a domain or a PGP fingerprint and it finds the Keybase user who proved it, so a bare GitHub handle resolves to a full verified identity. The proofs endpoint returns just the connected-accounts graph and crypto addresses. This is the identity-verification and social-graph layer for any trust, onboarding, anti-impersonation, social or crypto app — proven links, not claimed ones. Live from Keybase, nothing stored. Distinct from single-platform profile APIs — this is the cross-platform proven-identity graph. 4 endpoints.

#keybase #identity #social
P by PremiumApi
Uptime
100.0%
Latency
374ms
Subs
4,778
Server verified 15 probes/24h

api.oanor.com/keybase-api

Crypto Categories API

Live market data for crypto sectors and narratives — the themes the market actually trades, not single coins. Served from the public CoinGecko categories feed (no key, nothing cached), it ranks hundreds of sectors: Smart Contract Platforms, Layer 1s and Layer 2s, Memes, Artificial Intelligence, Real-World Assets, DePIN, Gaming, DeFi, Liquid Staking and many more. For each category it gives the total market capitalisation, the 24-hour market-cap change, the 24-hour trading volume and the three largest coins in that sector — so you can see, for example, that the Meme sector is roughly a $30B market led by Dogecoin and Shiba Inu, and which narratives are pumping or bleeding today. The categories endpoint ranks every sector and can be sorted by market cap, 24-hour change or volume; the category endpoint returns one sector by id or name with its market-cap rank and description; the movers endpoint surfaces the top gaining and losing narratives over the last 24 hours, filtered to real sectors so micro-cap dust does not distort the board. This is the sector-rotation and narrative-tracking layer for any crypto research, screener, portfolio or dashboard app — which themes hold the money and which are moving. Live from CoinGecko, nothing stored. Distinct from single-coin price, market-cap and mover APIs — this is the market by sector and narrative. 4 endpoints.

#crypto #categories #sectors
P by PremiumApi
Uptime
91.7%
Latency
127ms
Subs
4,691
Degraded 12 probes/24h

api.oanor.com/cryptocategories-api