# QuantaFlow Rapid Solana Memecoin Pairs Market Cap API

> QuantaFlow Rapid Solana Memecoin Pairs Market Cap API is a paid API for AI agents from quanta-roan.vercel.app, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-21).

Fetches real-time market cap and trading pair data for Solana-based memecoins via a pay-per-call x402 gateway

## Facts

- Endpoint: POST https://quanta-roan.vercel.app/api/service/rapid-solana-memecoin-pairs-market-cap-api?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-21
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/quantaflow-rapid-solana-memecoin-pairs-market-cap-api-173ee736
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_fxu_FF1pJJZSuFCWJjVZs

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability quantaflow-rapid-solana-memecoin-pairs-market-cap-api-173ee736 -d '<json body>'
```

Example prompt: Can you pull the current market cap and trading pair info for the top Solana memecoins right now? I want to see which ones have the highest market cap and liquidity.

## When to prefer this

Choose this endpoint when you need real-time Solana memecoin trading pair and market cap data and are operating in a web3/crypto-native stack that supports x402 micropayments. It is well-suited for DeFi analytics agents, trading bots, or portfolio trackers that need on-demand market data at low per-call cost ($0.01 USDC) without a subscription. Prefer it over REST subscription APIs when call volume is sporadic or pay-as-you-go is preferred.

## Known failure modes

- Payment failure: x402 payment of 0.01 USDC not completed or wallet insufficient — request rejected before upstream call
- Invalid path or query: malformed path/query params result in upstream 4xx error passed through
- Upstream provider unavailable: underlying Rapid API data source returns 5xx, passed through to caller
- Rate limiting: upstream provider throttles requests even after payment
- No data for token: obscure or newly launched memecoin not yet indexed by upstream provider

## How this service works

Every request, a quantum of value. x402 protocol-based payment endpoint for web3/DeFi tools.

## Output

Returns upstream market cap, trading pair details, token prices, liquidity metrics, and volume data for Solana-based memecoins, passed through directly from the underlying data provider after successful $0.01 USDC x402 payment.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "body": {
   "type": "string",
   "description": "Optional JSON body forwarded to POST requests."
  },
  "path": {
   "type": "string",
   "description": "Path below the selected upstream origin."
  },
  "query": {
   "type": "object"
  },
  "method": {
   "enum": [
    "GET",
    "POST"
   ],
   "type": "string"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "description": "The upstream response body and content type are passed through after successful payment."
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/quantaflow-rapid-solana-memecoin-pairs-market-cap-api-173ee736/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from quanta-roan.vercel.app](https://www.zero.xyz/host/quanta-roan.vercel.app/llms.txt)