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x402

Facilitates HTTP-native crypto payments using the x402 protocol for seamless API access and resource payments.

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Security score

The x402 skill was audited on May 20, 2026 and we found 14 security issues across 3 threat categories. Review the findings below before installing.

Categories Tested

Security Issues

medium line 68

Curl to non-GitHub URL

SourceSKILL.md
68curl -i https://api.example.com/paid-resource
low line 48

Fetch to external URL

SourceSKILL.md
48const response = await client.fetch('https://api.example.com/paid-endpoint');
low line 104

Fetch to external URL

SourceSKILL.md
104const weather = await client.fetch('https://weather-api.x402.org/forecast?city=NYC');
low line 110

Fetch to external URL

SourceSKILL.md
110const completion = await client.fetch('https://llm.example.com/v1/chat', {
low line 43

Access to .env file

SourceSKILL.md
43privateKey: process.env.WALLET_PRIVATE_KEY,
low line 57

Access to .env file

SourceSKILL.md
57privateKey: process.env.WALLET_PRIVATE_KEY,
low line 26

External URL reference

SourceSKILL.md
26export BASE_RPC_URL="https://mainnet.base.org"
low line 48

External URL reference

SourceSKILL.md
48const response = await client.fetch('https://api.example.com/paid-endpoint');
low line 61

External URL reference

SourceSKILL.md
61const res = await fetch402('https://paid-api.com/data');
low line 68

External URL reference

SourceSKILL.md
68curl -i https://api.example.com/paid-resource
low line 96

External URL reference

SourceSKILL.md
96https://api.example.com/paid-resource
low line 104

External URL reference

SourceSKILL.md
104const weather = await client.fetch('https://weather-api.x402.org/forecast?city=NYC');
low line 110

External URL reference

SourceSKILL.md
110const completion = await client.fetch('https://llm.example.com/v1/chat', {
low line 181

External URL reference

SourceSKILL.md
181- Demo APIs: https://www.x402.org
Scanned on May 20, 2026
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Categorymarketing
UpdatedJune 13, 2026
kbarbel640-del/skills