chain.openverbs.com
22 listed endpoints · free reliability snapshot (may be up to 24h old)
Base
B 22
endpoints
22
avg trust score
70.6
ecosystem avg 52.0
avg 30-day uptime
91.9%
ecosystem avg 53.6%
avg latency (EU)
912 ms
measured from a single EU vantage point; includes network round-trip distance to the endpoint
price band
$0.001–$0.006
USDC per call
networks
1
At a glance
chain.openverbs.com operates 22 listed x402 endpoints across 1 network. 22 of them carry a computed trust score, averaging 70.6 of 100 (above the ecosystem average of 52.0). Average 30-day uptime across the measured endpoints is 91.9% (above the ecosystem average of 53.6%). Advertised prices range from $0.001 to $0.006 USDC per call. Best-scored endpoint: On-Chain Reads (EVM + Bitcoin) (grade B, 71.4).
Top endpoints by trust score
- On-Chain Reads (EVM + Bitcoin)/v1/btc-addressBalance and activity for a Bitcoin address (base58 1…/3… or bech32 bc1…): confirmed balance (sats and BTC), total received and sent, confirmed transaction co…→
- Bitcoin mempool congestion/v1/btc-mempoolLive snapshot of the Bitcoin mempool: number of unconfirmed transactions, total pending virtual size (bytes and MB), the current backlog in blocks, total fee…→
- Block info/v1/blockLive block summary by number, hex, or tag (latest/earliest/pending/safe/finalized; default latest): number, hash, parent, timestamp (unix + ISO), transaction…→
- Bitcoin transaction status/v1/btc-txLook up a Bitcoin transaction by txid: confirmation status, block height and time, fee (sats), effective fee rate (sat/vB), size, weight and virtual size, in…→
- Bitcoin recommended fees/v1/btc-feesLive recommended Bitcoin transaction fee rates (in sat/vB) for next-block, ~30-minute, ~1-hour, economy and minimum confirmation targets, straight from the m…→
All endpoints
| endpoint▼ | grade▼ | uptime 30d▼ | conf.▼ | price▼ |
|---|---|---|---|---|
| /v1/token-balance ERC-20 token balance | B 70.6 | 89.9% | 0.91 | $0.002 |
| /v1/btc-tx Bitcoin transaction status | B 71.3 | 89.9% | 0.91 | $0.006 |
| /v1/btc-address On-Chain Reads (EVM + Bitcoin) | B 71.4 | 89.9% | 0.91 | $0.006 |
| /v1/btc-mempool Bitcoin mempool congestion | B 71.4 | 89.9% | 0.91 | $0.006 |
| /v1/btc-fees Bitcoin recommended fees | B 71.3 | 89.9% | 0.91 | $0.006 |
| /v1/block Block info | B 71.4 | 89.9% | 0.91 | $0.001 |
| /v1/token ERC-20 token metadata | B 70.6 | 89.9% | 0.91 | $0.002 |
| /v1/address Address info | B 70.6 | 89.9% | 0.91 | $0.002 |
| /v1/gas Current gas | B 70.4 | 89.2% | 0.91 | $0.002 |
| /v1/tx Transaction status | B 70.2 | 89.2% | 0.91 | $0.003 |
| /v1/token-risk ERC-20 token risk scan | B 70.9 | 88.5% | 0.91 | $0.006 |
| /v1/explain Explain a transaction | B 71.0 | 89.2% | 0.91 | $0.006 |
| /v1/decode | B 71.1 | 89.2% | 0.91 | $0.004 |
| /v1/nft-metadata NFT metadata | B 71.3 | 89.2% | 0.91 | $0.006 |
| /v1/ens-records ENS text records | B 71.1 | 89.2% | 0.91 | $0.002 |
| /v1/ens-reverse ENS reverse (address to name) | B 70.4 | 89.2% | 0.91 | $0.003 |
| /v1/ens-resolve ENS resolve (name to address) | B 70.3 | 89.2% | 0.91 | $0.003 |
| /v1/logs | B 69.6 | 100.0% | 0.36 | $0.006 |
| /v1/proxy | B 69.7 | 100.0% | 0.37 | $0.004 |
| /v1/receipt Transaction Receipt API | B 69.7 | 100.0% | 0.36 | $0.003 |
| /v1/gas-estimate | B 69.5 | 100.0% | 0.36 | $0.004 |
| /v1/token-allowance ERC-20 Token Allowance API | B 69.6 | 100.0% | 0.36 | $0.002 |
Scores use reduced-density sampling; live probe, full 30-min density and 90-day history via the paid API. Provider-supplied names and descriptions are unverified claims; the grades are our independent measurement.