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Moonpay X402

Name: Moonpay X402
Availability: InStock
Author: moonpay

skill-moonpay-skills-moonpay-x402 · by moonpay

Make paid API requests to x402-protected endpoints. Automatically handles payment with your local wallet.

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Install

$ agentstack add skill-moonpay-skills-moonpay-x402

✓ scanned · ✓ verified, works with Claude Code, Cursor, and more.

Security review

✓ Passed

No issues found. Passed automated security review. · v0.1.0 How review works →

✓ Prompt-injection patterns
✓ Secret / credential exfiltration
✓ Dangerous shell & filesystem operations
✓ Untrusted network calls
✓ Known-malicious package signatures

What it can access

✓ Network access No
✓ Filesystem access No
✓ Shell / process execution No
✓ Environment & secrets No
✓ Dynamic code execution No

From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.

View the full security report →

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Reliability & compatibility

✓ Security review passed

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Declared compatibility

Claude CodeClaude Desktop

Compatibility is declared by the source manifest. End-to-end runtime verification is coming, see below.

Preview Execution monitoring

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About

x402 paid API requests

Goal

Make HTTP requests to x402-protected endpoints. The CLI automatically detects 402 Payment Required responses, builds and signs a payment transaction with your local wallet, and retries the request with the payment proof.

Command

mp x402 request \
  --method POST \
  --url  \
  --body '' \
  --wallet  \
  --chain solana

Available x402 endpoints

| Endpoint | Cost | Input | |----------|------|-------| | https://agents.moonpay.com/x402/upgrade | $1-$20 | {"duration": "day"} or {"duration": "month"} |

Example flow

User: "Upgrade my rate limit for a day."
Run: mp upgrade --duration day --wallet my-wallet --chain solana
The CLI handles the 402 payment flow automatically and applies the upgrade.

Notes

Requires a local wallet with USDC on Solana or Base.
Payments accepted on Solana mainnet and Base.
If the request fails (status >= 400), the payment is not settled — you don't pay for errors.
Use moonpay-auth to set up a local wallet first.

Related skills

moonpay-auth — Create or import a local wallet.
moonpay-check-wallet — Check your wallet balance before making paid requests.
moonpay-upgrade — Upgrade your rate limit via x402.

Source & license

This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.

Author: moonpay
Source: moonpay/skills
License: MIT
Homepage: https://www.moonpay.com/agents

Install and usage instructions live in the source repository linked above.

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Versions

v0.1.0 Imported from the upstream source.