Base Block
—
Chain ID 8453 · every 12s
Arbitrum Block
—
Chain ID 42161 · every 12s
Blocks Processed
0
Submitted by builders
Total ETH Collected
0.000000
In gas fees
Why Add PulseLink?
Sub-100ms Latency
Frankfurt EU server. Consistently top-2 on L2RelayScan — 0.58ms local response time.
Verify live
0% Relay Fee
Permanently free to use. No subscription, no minimum stake, no registration required.
99.9% Uptime
Monitored 24/7 with automatic restart. Redis persistence means zero data loss on restarts.
Open Source
Full source on GitHub. Audit the BLS verification, block simulation, and Redis persistence yourself.
View source
Base L2 + Arbitrum One
Supports both chains simultaneously — chain IDs 8453 and 42161 — with live block polling.
BLS Verified + Simulated
Every block is BLS-verified and fee/gas-simulated against Alchemy before acceptance.
Recently Processed Blocks
Waiting for builders to submit blocks
Relay Endpoint
https://pulselinkrelay.org
Add PulseLink in 30 Seconds
1
Add the relay flag to your mev-boost client
Append PulseLink to your existing
-relays list, or use it standalone:
mev-boost -relays https://pulselinkrelay.org
2
Verify the connection
mev-boost will call
GET /eth/v1/builder/status on startup. You should see 200 OK. Your validator registration is automatic when your beacon client connects.3
Done — you're live
Builders will begin submitting bids for your slots. The relay stores the highest-value bid per slot and delivers the full payload when you request it.
About PulseLink
PulseLink is an open-source MEV-Boost relay on Base mainnet. It acts as a trusted intermediary between block builders and validators, ensuring blocks are fairly auctioned and efficiently delivered to the network.
Add
https://pulselinkrelay.org to your MEV-Boost client's -relays flag. PulseLink is compatible with all standard MEV-Boost implementations including Flashbots' mev-boost client.PulseLink Relay is independently operated. The designated fee recipient address is
0x94b98bce7c82C2dF26966D125575f2376Ac57352. All fees collected from submitted blocks are forwarded to this address.Yes. PulseLink Relay is completely free for validators. There are no subscription fees, registration requirements, or minimum stake thresholds.
POST your block payload to
https://pulselinkrelay.org/relay/v1/builder/blocks with a JSON body containing block_number, block_hash, gas_fee, and builder_id. Blocks with missing fields or zero fees are rejected.