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Using BlockReq RPC with Foundry
Wire BlockReq into Foundry with environment variables, run fast RPC smoke checks, fork mainnet in tests, and keep broadcast scripts explicit.
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RPC tutorials and blockchain infrastructure notes
Technical guides for builders working with JSON-RPC, WebSocket subscriptions, archive data, tracing, and multi-chain edge routing.
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Articles
RPC tutorialsOct 14, 20266 min
Best Arc RPC Providers in 2026: Pricing, Archive & WSS Compared
Arc RPC providers compared on price, testnet, archive and WebSocket, with monthly costs at 20M, 100M and 1B requests. Checked Oct 14, 2026.
Read articleRecipesOct 1, 20265 min
Crossrate fiat-quoted launches on Robinhood Chain: TokenLaunched with AED/EUR/CNY quotes
Crossrate RHC FX launch radar: TokenLaunched → AED/EUR/CNY quoteToken, creator, poolId, taxBps. Public WSS — open demos1.
Read articleRecipesOct 1, 20268 min
Solana new-mint browser radar (logsSubscribe)
Solana new-mint browser radar (logsSubscribe): InitializeMint filter + getTransaction. Public WSS StackBlitz demo.
Read articleRecipesOct 1, 20265 min
Uniswap v4 StablePair Hook: peg, fee & LP cards on ETH
Uniswap v4 StablePair Hook on ETH: peg, fee & LP cards via PoolManager. Public WSS — open demos1.
Read articleRecipesOct 1, 20265 min
HARMONIC / Pons RHC agent launch radar (TokenLaunched)
Pons TokenLaunched agent launch radar on RHC (factory 0x7eD5…EC7e): token, curve, deployer cards. Public WSS — try demos1.
Read articleRecipesSep 16, 20265 min
Flap Portal token creation on BSC: subscribe to TokenCreated and LaunchedToDEX
Flap BSC open cards: Portal TokenCreated radar on public WSS. demos1 live; register for 3M free requests monthly.
Read articleRecipesSep 16, 20265 min
Listen for anon launches on Robinhood Chain (Anoncoin)
Anoncoin anon launch listen on Robinhood Chain (EVM 0x1237): factory logs → $SPCX quote filter → open cards. StackBlitz preview only; public WSS + Free 3M.
Read articleRecipesSep 16, 20265 min
One-tx launches on Base: OpenLaunch + Uniswap v4 eth_subscribe
One-tx launch listen on Base (EVM 0x2105): OpenLaunch × v4 Initialize / lock pattern → open cards. StackBlitz preview only; public WSS + Free 3M.
Read articleRecipesSep 16, 20266 min
Detect new stock-token pairs on Robinhood Chain: quote/base matching + PairCreated via eth_subscribe
New stock-token quote/base pairs: address table + RH public WSS PairCreated filter → stock-pair alerts. Live demos1; register for 3M free requests monthly.
Read articleRecipesSep 16, 20265 min
When PONS dominates: converge open-listen onto one launchpad
When PONS volume concentrates: narrow eth_subscribe to one Factory + key topics on public WSS. Live demos1; register for 3M free requests monthly.
Read articleRecipesSep 16, 20265 min
Detect single-transaction Uniswap v4 pools on Robinhood Chain via PoolManager Initialize
Single-transaction Uniswap v4 pools on Robinhood Chain: PoolManager Initialize over public WSS. Live demos1; register for 3M free requests monthly.
Read articleRecipesSep 16, 20266 min
Measure early Swap density on new Base pools with eth_subscribe
Base new-pool first hits: after PairCreated count Swap density. Live demos1; register for 3M free requests monthly.
Read articleBuild on BlockReq RPC
Use multi-chain RPC endpoints while keeping private provider routing and operational telemetry out of public application code.
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