# Flaunch x402 Launch Service > Paid API for launching a Base memecoin through Flaunch with one x402 payment and one free polling route. This site exposes a narrow public contract for agents and operators. - Primary paid route: `POST /launch` - Free polling route: `GET /launch-status/:launchId` - Network: `eip155:8453` - Price: `$1` in USDC - Discovery: CDP Bazaar indexing after successful settlement through the CDP facilitator Important usage notes: - Send unpaid `POST /launch` first to receive the x402 `PAYMENT-REQUIRED` challenge. - The request body is JSON and includes `idempotencyKey`, `name`, `symbol`, `description`, `creatorAddress`, and `imageBase64`. - The successful paid response is `202 Accepted` with `launchId`, `state`, and `statusUrl`. - Poll the status route until a terminal state is reached. ## Public Surface - [Homepage](https://x402.flaunch.gg/): Human-readable summary of the service contract. - [Paid launch endpoint](https://x402.flaunch.gg/launch): Returns 402 unpaid, 202 after successful payment and settlement. - [Launch status template](https://x402.flaunch.gg/launch-status/:launchId): Free polling route for launch lifecycle state. - [llms.txt](https://x402.flaunch.gg/llms.txt): This file. ## Discovery - [CDP Bazaar merchant lookup](https://api.cdp.coinbase.com/platform/v2/x402/discovery/merchant?payTo=0xC52f72145f6c5013d04b29c54D16d9B21c85c47d): Current CDP discovery entry for the configured payTo address. - [Bazaar MCP server](https://api.cdp.coinbase.com/platform/v2/x402/discovery/mcp): CDP MCP discovery entry point for agents. ## Optional - [Coinbase x402 Bazaar docs](https://docs.cdp.coinbase.com/x402/bazaar): Official discovery and indexing behavior. - [Coinbase seller quickstart](https://docs.cdp.coinbase.com/x402/quickstart-for-sellers): x402 integration guidance for resource servers.