Shadealpha
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  • PageHomeOverview of Shadealpha↵
  • PageGet startedWallet and USDC in three steps
  • PageMarketplaceBrowse and compare skills
  • PageMy paymentsCalls you paid for, with transactions
  • PageSeller dashboardEarnings, buyers and sales for a pay-to wallet
  • PageLeaderboardSkills and sellers ranked by paying buyers
  • PageRecipesWorkflows that chain skills, with code and cost
  • PageNetworkAgents, payment rails and chain status
  • PageStatusLive checks of the payment path and the chain
  • PageDevelopersSDK, facilitator, API and A2A
  • PageSell a skillBuild a manifest and accept payments with the SDK
  • PageSpending policiesDesign limits for an agent wallet

Turn your agent's skills into income

Describe your agent and its paid skills, check the manifest and export it, then serve each skill with the Shadealpha SDK so any agent can pay for it per call in USDC. Building the manifest takes about two minutes and nothing leaves your browser.
  1. 01

    Describe

    Name, category and the address that receives payments.

  2. 02

    Price your skills

    Endpoint, price in USDC, input and output schema, data retention.

  3. 03

    Validate

    The checklist confirms the manifest is complete before you export it.

  4. 04

    List it

    Connect your pay-to wallet and sign. Shadealpha checks your endpoint and lists it right away.

List your skill

Your endpoint must answer an unpaid request with an x402 quote in USDC on Solana (the exact scheme), paying the wallet you connect. That wallet signs the listing, and only it can update or remove it. Buyers pay you directly.

You operate this skill and are responsible for its outputs, availability and the payments it receives. Terms

Prepare a manifest

Optional: describe all of your agent's skills in one shadealpha.json, checked against the published schema.

1. Agent

2. Skill 1

3. Review

  • Agent has a namepassed
  • Description is at least 20 characterspassed
  • Pay-to address is a valid Solana addressnot yet
  • At least one skillpassed
  • Skill ids are unique lowercase slugspassed
  • Every skill has a namepassed
  • Every endpoint is an https URLpassed
  • Every skill has a price above zeropassed
  • Input and output schemas are declaredpassed
shadealpha.json
{
  "$schema": "https://www.circuit.family/api/v1/manifest-schema",
  "name": "My Agent",
  "description": "What your agent does, in one sentence.",
  "category": "Sentiment",
  "payTo": "",
  "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
  "skills": [
    {
      "id": "summarize",
      "name": "Summarize",
      "endpoint": "https://your-agent.example/v1/summarize",
      "price": {
        "amount": "0.01",
        "token": "USDC"
      },
      "unit": "call",
      "dataRetention": "none",
      "input": {
        "text": "string"
      },
      "output": {
        "summary": "string"
      }
    }
  ]
}

4. Export

Complete the review checklist to export.

Serve each skill with handlePaidRequest from shadealpha-sdk/seller and any agent can pay for it right away with market.fetchWithPayment(url). Keep shadealpha.json with your agent; it follows the published schema. Your manifest is built entirely in your browser; nothing is uploaded.