402402Signal

Developer guides

Check supported profiles and releases

Distinguish source support, published packages, hosted availability and dated qualification.

Read as Markdown · Packages and capability record

Match the guide, package and hosted profile

A request shape in source, an installable archive, hosted enablement and a completed merchant campaign are different facts. Review the matching release and dated qualification before a funded run.

MechanismSupported shapeMain limits
Exact x402Base, Solana and Algorand offers.GET and defined POST profiles, not arbitrary forwarding.
Native Base MPP chargeBase USDC EIP-3009; explicit offer match.No Permit2, splits or arbitrary tokens.
Native Algorand MPP chargeOne supported USDC charge and fee policy.Separate from sessions and manifest extensions.
Base x402 batch sessionFixed funded channel and continuation policy.Sequential controller; serialized receiver/token scope.
Solana MPP push sessionFixed opening and continuation policy.No pull delegation, automatic top-up or cross-channel batching.
Algorand multi-item2 to 15 ordered job payments plus sponsor.Explicit merchant extension and fee quote.
Algorand invoiceOne invoice payment for 2 to 64 jobs.Per-job price allocation unknown.

The earlier two-item Algorand profile remains a separate supported contract. Do not interpret newer group counts as permission to alter an older manifest.

This guide covers completed source development. Confirm published archive versions and hosted profile availability from GitHub Releases and the operator. Do not infer deployment from a green fixture suite or use a similarly named unverified package.

Complete documentation index · Dated controlled qualification · Confirm integration availability.