Programmable revenue infrastructure for the machine economy.
Payload builds the authorization and revenue-evidence layer for paid APIs and agent commerce:
- Veyline — the flagship. Non-custodial transaction authorization for customer wallets: authenticated intent → policy evaluation → signed authorization → single-use consumption → settlement verification, with a durable audit trail. Veyline authorizes; it never holds funds.
- callx402 by Payload — powered by Veyline — the universal paid action layer. Nine hosted x402 actions your agents can call and pay for per use, with wallet-signed redemption. On npm:
callx402. - RevRule by Payload — a programmable revenue rules engine: decide who earns what whenever your product makes money, and link verified on-chain payouts back to the entitlement lines that created them, with wallet-signed payout evidence.
x402 Manifest Check — a GitHub Action that validates your /.well-known/x402 manifest and live 402 challenge, catching the drift that makes paid APIs invisible to buyers. Free; runs in your CI.
Install any of our MCP servers from its Smithery listing, or from its repo:
- callx402 by Payload — pay x402-protected APIs from an AI agent, with free keyless diagnostics (status, check, discover). Smithery · Repo
- Veyline by Payload — organization entitlement and usage checks, plus signed, policy-enforced payment preflights (no funds move). Requires a Payload rail API key. Smithery · Repo
- RevRule by Payload — read revenue entitlement graphs, review payout evidence, and dry-run revenue events with zero side effects. Get a free Payload rail access key from the RevRule console at payload-rail.fly.dev, define a graph, and dry-run with simulate. A paid RevRule entitlement is not required to evaluate. Smithery · Repo
All three are also published in the Official MCP Registry as io.github.payload-tools/callx402, io.github.payload-tools/veyline-mcp, and io.github.payload-tools/revrule-mcp.
- Veyline Developer Primer ($79) — the x402 paid API starter kit: payloadtools.gumroad.com/l/x402-paid-api-starter-kit
- Hosted API — https://payload-rail.fly.dev
Join the Payload Discord, a global community for developers, founders, and operators building with AI agents, payments, and automation: https://discord.gg/Bu9TkvmBxn
