LiveMetered via x402 and MPP

Try it now, in Claude or Codex.

The same data Synthia runs on, as MCP tools your agent can call. No API key and no account: payment is the auth, metered per query in USDC.

Read the docsBrowse the tools
# No API key. Payment is the auth.
$ curl "https://api.syntalic.com/v1/shopper/best-price?q=quest+protein+bar"
402 Payment Requiredx402
{
"tool": "best_price",
"q": "quest protein bar",
"payment": "USDC micropayment"
}
✓ 200 OK
{
"query": "quest protein bar",
"best_price": {
"retailer": "walmart",
"product_name": "Quest Nutrition Protein Bar, Cookies & Cream, 12 ct",
"price": 24.98,
"currency": "USD"
},
"other_prices": [
{ "retailer": "amazon", "price": 26.49 },
{ "retailer": "target", "price": 27.99 }
]
}
Setup

Two ways in.Three steps each.

Drop our MCP server into Claude, Cursor, or any compatible client. The wizard generates a multi-chain wallet, or use your own keys.

  1. # in your terminal
    npx @syntalic/mcp-server --setup
    01Install

    Install the MCP server

    One command. The wizard generates a multi-chain wallet, or bring your own keys.

  2. # list the addresses
    npx @syntalic/mcp-server --info
    02Fund

    Fund any chain with USDC

    Send USDC to an address on Solana, Base or Tempo. Calls cost 1 to 10 cents, so $1 covers 10 to 100 of them.

  3. # in claude or cursor
    ask any question you want
    03Call

    Call from any MCP client

    Claude, Cursor, Codex: drop the config in and the tools appear.

Full setup in the docs
Pricing

Pay for what you ask.

No seats, no minimums, no subscription. Drag to see what a month of questions costs.

Building an agent? There is a plain-text view for it.

$10/ month

1K queries.

Estimated at $0.01 a query. Catalog tools are free, and the deepest reads run up to five cents a call.

100 queries50K queries

Included with every call

  • Per-query in USDC
  • x402 / MPP, no API key
  • Every tool, as raw JSON
  • MCP server + OpenAPI
Install MCP

Solana, Base, or Tempo.