Solana Fees X402

Name: Solana Fees X402
Author: Br0ski777

@Br0ski777

关于 Solana Fees X402

Solana priority fee estimates at 6 levels (min to max). Essential for every Solana transaction. -- x402 micropayment API + MCP server for AI agents

#x402 #mcp #api #crypto #solana #fees

基本信息

分类

其他

许可证

MIT

运行时

node

传输方式

stdio

发布者

Br0ski777

提交者

Br0ski777

配置

使用下面的配置,将此服务器添加到你的 MCP 客户端。

{
  "mcpServers": {
    "solana-fees": {
      "url": "https://solana-fees-production.up.railway.app/mcp",
      "transport": "sse"
    }
  }
}

工具

GET

概览

What is Solana Fees X402?

Solana Fees X402 is a server that provides Solana priority fee estimates at 6 levels (min to max). It integrates with the x402 pay-per-call protocol (USDC on Base L2) and requires no API key, signup, or rate-limit wall. It is part of the klymax402 marketplace of 100 x402 micropayment APIs for AI agents.

How to use Solana Fees X402?

Add the MCP server URL (https://solana-fees.api.klymax402.com/mcp) to an MCP client config (Claude Desktop, Cursor, ElizaOS, etc.). Alternatively, make an HTTP GET request to /api/fees; an x402-aware client (e.g., @x402/fetch) automatically handles the payment challenge. The tool solana_get_priority_fees accepts an optional program parameter for program-specific fees.

Key features of Solana Fees X402

Provides 6 priority fee levels: min, low, medium, high, veryHigh, max.
Pay-per-call via x402 – no signup, no API key, no rate-limit wall.
Returns current slot, update timestamp, and optional program-level fees.
Part of the klymax402 marketplace – 100 x402 APIs for AI agents.
One wallet, USDC on Base L2 for all payments.

Use cases of Solana Fees X402

Setting the right priority fee before sending any Solana transaction.
Avoiding failed transactions during congestion by using higher fee estimates.
Automating fee estimation in AI agents performing Jupiter swaps, NFT mints, or token transfers.
Estimating program-specific fees (e.g., Jupiter, Raydium) to optimize transaction costs.

FAQ from Solana Fees X402

What does it cost to use Solana Fees X402?

Each call costs $0.001, paid via the x402 protocol (USDC on Base L2). No signup or API key is required.

What priority fee levels are returned?

The API returns 6 levels: min (cheapest, may fail in congestion), low (25th percentile), medium (50th percentile, recommended), high (75th percentile), veryHigh (90th percentile), and max (guaranteed fast).

Can I get fees for a specific Solana program?

Yes, the optional program parameter (e.g., JUP6LkbZbjS1jKKwapdHNy74zcZ3tLUZoi5QNyVTaV4 for Jupiter) returns program-specific fee estimates. Omit it for global fees.

How do I pay for API calls?

Payment uses the x402 protocol – HTTP-native pay-per-call. The facilitator is Coinbase CDP (primary) with PayAI as fallback, all on Base L2 using USDC.

Is there a rate limit or signup?

No. There is no rate-limit wall, no signup, and no API key. You pay $0.001 per successful call.

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