Web3 Provider Watch — 2026-09-13

Run log (no narrative digest was archived for this date).

Checked 30 providers (rotating slice: Pangea..Substreams/The Graph Market plus 1RPC, Alchemy, All That Node, Ankr) and the 5 items due within 14 days; swept Sept 11-13 news. Changes: Alchemy PAYG is now a flat $0.525/1M CU (was $0.45/$0.40 tiered) with $160/mo per 5,000 CU/s throughput add-ons; QuickNode pricing page now shows per-plan overage rates and Business moved to custom pricing (~$999/mo); Sourcify chain list back to 624/424 supported (Avalanche C-Chain, Fuji, Robinhood 4663); Pinax lists 27 chains; Polkachu 71 chains. New: Colosseum Crypto World's Fair multichain hackathon (Sept 14-Oct 12; Solana, Arbitrum, Robinhood Chain tracks; $250K accelerator; press reports a $25K Arbitrum One prize). Deadlines: AvalancheGo v1.15.0 tag confirmed on GitHub for Helicon Sept 22; Arbitrum buildathon registration still open (~Oct 2 close); Avalanche Summit, Alchemy EIP-7702, Moralis chain drops unchanged. Official channels (Alchemy, Chainstack, QuickNode, Helius, Moralis, Avalanche, Envio, dRPC) otherwise quiet; Chainstack added Bitcoin Testnet4 Sept 11. Not readable: Solscan plan prices, The Graph Market pricing (JS).