Email Preflight
io.github.tasuyoapp-ctrl/email-preflight
x402 v2 payment requests; relays compatible clients' signed payments to the existing product API.
This endpoint completed initialize and tools/list. No tool was called.
- Rank
- #1572
- Score
- 82
- Tool tokens
- 475
- Tools
- 3
Tools
Token cost is the o200k count of the tools list JSON, including schemas, before any tool is called.
email_preflight
Use before sending or processing an email when you need current preflight facts about the address. For $0.001 USDC on Base mainnet, the existing Email Preflight API checks six facts: syntax validity,
email_check_mini
Check email syntax, MX and local domain classes with the existing API. $0.001 USDC on Base mainnet. MX does not prove mailbox existence. Unpaid calls return x402 v2 requirements for this request. A co
url_preflight
Inspect public HTTP/HTTPS URL response metadata through the existing safe URL API. $0.001 USDC on Base mainnet. Unpaid calls return x402 v2 requirements. A compatible client may repeat the identical u
Nearby in GitHub
Up-to-date code docs for any prompt
MCP server for Financial Modeling Prep API with 250+ financial data tools
Official SerpApi MCP server for Google, Bing, and other search engines.
Comprehensive PostgreSQL documentation and best practices, including ecosystem tools