Gap note
px402 gaps
px402 is a gap note checked on 2026-10-26. It quotes primary pages for settlement asset, spend controls, revocation, protocol composition, license, governance body, and cross-company use. A line that says not documented uses the day that page was read. The note does not rank the listing.
Last verified 2026-10-26
Sources
px402 listing · Protocol compatibility · Gaps JSON · See what changed this week
| Dimension | Status |
|---|---|
| Settlement asset | Documented |
| Spend controls | Mixed |
| Revocation | Mixed |
| Protocol composition | Documented |
| License | Mixed |
| Governance body | Documented |
| Cross-company use | Not documented |
Settlement asset
Documented
The what is px402 page says an agent funds a USDC reserve on Base and a relayer pays the merchant in plain USDC. The reserve contract is live on Base mainnet at 0xdd31c57E8F7CAC78090a516292f0C9Dea6c6119f. The fee is 1 percent on each payment, paid on top of the price, and the merchant receives the price. The smallest coin is $0.001, so every payment pays at least $0.001. There is no deposit fee.
What is px402 · Read 2026-10-26
Spend controls
Documented
The how to use page says the SDK deposits USDC in whole floats, $5 by default, and that a float option changes that size.
How to use px402 · Read 2026-10-26
Not documented
Not documented as of 2026-10-26. The what is px402 page does not state a daily or monthly budget, or an owner set cap on one payment.
What is px402 · Read 2026-10-26
Revocation
Documented
The what is px402 page says the reserve contract has no owner and no admin withdrawal, and that PRXVT cannot move the funds.
What is px402 · Read 2026-10-26
Not documented
Not documented as of 2026-10-26. The what is px402 page does not describe a revoke call for an agent key.
What is px402 · Read 2026-10-26
Protocol composition
Documented
The welcome page says px402 is a privacy layer for x402.
PRXVT docs welcome · Read 2026-10-26
The how to use page says one import replaces x402 wrapFetchWithPayment, and that the SDK runs on Base through issuer.prxvt.com, registry.prxvt.com, and facilitator.prxvt.com.
How to use px402 · Read 2026-10-26
License
Documented
The npm page for px402 version 2.0.2 says the license is MIT.
npm package px402 · Read 2026-10-26
Not documented
Not documented as of 2026-10-26. The npm registry record for px402 version 2.0.2 has no repository field.
npm registry record for px402 · Read 2026-10-26
Governance body
Documented
PRXVT publishes px402. The welcome page says px402 v2 is live on Base.
PRXVT docs welcome · Read 2026-10-26
Cross-company use
Not documented
Not documented as of 2026-10-26. The welcome page does not name a standards body. It describes px402 as a PRXVT product for x402 payments.
PRXVT docs welcome · Read 2026-10-26
Questions
- What does not documented mean?
- Not documented means the cited page does not state the fact. The line names that page and the day it was read. It is not a claim that the fact is false.
- What does omitted mean?
- Omitted means this note has no checked source for that dimension. The dimension was left out rather than filled in.
- Does the index rank these products?
- No. The table can be sorted by name, by dimension status, or by checked date. Sort order is not a score.
- Where is the machine readable file?
- GET /data/gaps.json. The file includes every note, the cited sources, and the read dates.