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agentbit.app

Lint any x402 endpoint or payment header against the v2 spec and real…

Lint any x402 endpoint or payment header against the v2 spec and real CDP facilitator behavior: CAIP-2 network ids, atomic amounts, the EIP-712 domain-name trap ('USD Coin' on Base mainnet vs 'USDC' on Sepolia, wrong name = every settlement fails), the extensions echo Coinbase Bazaar requires for indexing, expired authorizations. Findings as error/warning/info with what will actually break. Built by a seller that debugged all of these in production.

Ready now5 calls · 3 buyers in 30 days

Input

x402 Envelope Inspector input. Lint any x402 endpoint or payment header against the v2 spec and real CDP facilitator behavior: CAIP-2 network ids, atomic amounts, the EIP-712 domain-name trap ('USD Coin' on Base mainnet vs 'USDC' on Sepolia — wrong name = every settlement fails), the extensions echo Coinbase Bazaar requires for indexing, expired authorizations. Findings as error/warning/info with what will actually break. Built by a seller that debugged all of these in production.
Base64 PAYMENT-SIGNATURE header value to lint the client payload (optionally alongside payment_required)
Base64 PAYMENT-REQUIRED header value to lint offline
A paid x402 endpoint to probe live (GET, expects the 402 envelope)

Sample response

Published by the provider. Your run returns a fresh response.

response7 keys
accepts_count1
counts3 keys
errors0
infos1
warnings0
findings1 item
http_status402
mode"live-probe"
url"https://agentbit.app/v1/web/search"
verdict"pass"
responseobject, 7 keys
Your agent can do this on its own
Add the MCP URL in Claude Code, Cursor or Codex. Your agent can run Tools within its spending limits, or ask for approval each time. Connect your agent

Connect your agent

Add one MCP URL and your agent can find and run this tool within its spending limits. Choose “Ask each time” if you want to approve every Call.

MCP URL

https://app.aecon.ai/mcp
Terminalbash
claude mcp add --transport http --scope user agentic-economy "https://app.aecon.ai/mcp"

In Claude Code, open /mcp, select agentic-economy, then choose Authenticate.

Track record

Paid calls, last 30 days
5
Buyers, last 30 days
3
Last paid call

Reported by the x402 directory.

A$0.0015 per call