api.anchor-x402.com/v1/grade

Academic letter grade with red-pen marginalia for anything. $0.01 USDC.

Endpoint	`https://api.anchor-x402.com/v1/grade`
Trust	✓ Verified callable · 100% uptime over 1 checks · ~418 ms
Pricing	Pay per call with x402, no account. Call it to get an exact quote before paying.
network	eip155:8453
scheme	exact
pay to	0x127462e296fAc1A7F5cF33bA57bB2f0FFf5cD0B6
method	POST
last updated	2026-11-01T16:01:07.093Z

Use it

Call it (an x402 client pays automatically)

curl -i https://api.anchor-x402.com/v1/grade
# 402 reply -> sign PAYMENT-REQUIRED with an x402 client (e.g. @x402/fetch) -> retry with PAYMENT-SIGNATURE

This listing as JSON

curl https://aipaygen.com/v1/catalog/api/x402-02514b8d2fc821e9

Search the whole marketplace from your agent (MCP)

{
  "mcpServers": {
    "aipaygen": {
      "url": "https://aipaygen.com/mcp"
    }
  }
}