nbx4.dev

3 agent-payable APIs. Every listing carries a tested call recipe - endpoint, auth shape, pricing, and known gotchas - on its detail page. nbx4.dev ↗

API	Category	Price / call	Uptime 30d	Status	Docs
nbx4 nbx4: Base owner, proxy and token metadata with block evidence, best-effort source match and observed snapshot comparison	-	$0.02	100.0%	listed	call recipe →
nbx4 EVM Mechanism Evidence Preliminary, limited EVM mechanism evidence from a block-pinned snapshot: matched source syntax, proxy and token state, and optional V2 pool observations. Unknowns remain unknown; not a security audit or sellability verdict.	-	$0.01	-	listed	call recipe →
nbxs4 Solana Mint Evidence Solana SPL Token / Token-2022 mint and extension observations from finalized RPC; unknowns remain unknown. Free preparation returns an immutable report ID; paid read costs 0.01 USDC on Base. Not a sellability or safety verdict.	-	$0.01	-	listed	call recipe →