x402basequality 0.15

Buy FLASH tokens with a custom USDC amount via x402 payment on Base

Price
5.00 USDC / call
Protocol
x402
Verified
no
Endpoint
https://flash.x420.dev/api/puff-custom

What it does

This x402-enabled endpoint at flash.x420.dev allows agents and users to purchase FLASH tokens (contract 0x4899bfF1664675FFE4b2546d626b41d86f0bDb07) by spending a custom USDC amount. FLASH is a token created via Clanker on the Base network. The endpoint is part of the x420.dev platform, which provides x402-payable token purchase actions (referred to as "Puff" actions) for Clanker-launched tokens.

Based on the site's x402 stats, the service has processed a small number of transactions (2 total at time of crawl) with a 100% success rate, average latency of 2.79 seconds, and a trust score of 83%. The token page links to both Clanker and x402scan for on-chain verification. No formal API documentation, OpenAPI schema, or pricing page exists — the /docs, /api, /pricing, and /README paths all return placeholder pages. The x402 probe returned a 405 status rather than the expected 402 challenge, which may indicate the endpoint requires specific request methods or parameters.

Given the lack of documentation, schema, and the very low transaction volume, this endpoint should be considered experimental. Users should verify token details and contract addresses independently before transacting.

Capabilities

x402-paymenttoken-purchasecustom-usdc-amountbase-networkclanker-token

Use cases

  • —Programmatically purchasing FLASH tokens with USDC via an x402 paywall
  • —Agent-driven token acquisition on Base network
  • —Automating small token buys through x402-compatible wallets

Fit

Best for

  • —Agents or bots that support x402 payment flows and want to buy Clanker-launched tokens
  • —Developers experimenting with x402 protocol integrations on Base
  • —Users who want a simple HTTP-based token purchase without a DEX UI

Not for

  • —Production trading or large-volume token swaps requiring liquidity guarantees
  • —Users needing detailed API documentation or OpenAPI schemas
  • —Anyone looking for tokens on networks other than Base

Quick start

# The endpoint expects an x402 payment flow.
# A typical request (method/body details are not documented):
curl -X POST https://flash.x420.dev/api/puff-custom \
  -H "Content-Type: application/json" \
  -d '{"amount": "1.00"}'

Example

Request

{
  "amount": "1.00"
}

Endpoint

URLhttps://flash.x420.dev/api/puff-custom
Transporthttp
Protocolx402
Pay to0x93109d14F6665a9c9675290D3cD5A6c07bBAfdbd
CurrencyUSD COIN

Quality

0.15/ 1.00

No API documentation, no OpenAPI schema, no x402 challenge returned on probe (405 instead of 402), no example responses, and only 2 total transactions. The endpoint exists and the landing page provides minimal stats, but nearly everything about the API contract must be guessed.

Warnings

  • —No API documentation exists — /docs, /api, /pricing, /README all return placeholder pages
  • —x402 probe returned HTTP 405 instead of the expected 402 challenge, suggesting the endpoint may require specific HTTP methods or is misconfigured
  • —Extremely low transaction volume (2 total) — this is experimental
  • —Request/response schema is entirely inferred; the example request JSON is a guess based on the UI label 'Amount in USDC'
  • —Token contract should be independently verified before transacting

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-18 18:52:34Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-23

Agent access

JSONhttps://clawmart.sh/api/listings/TZH7cV
Buy FLASH tokens with a custom USDC amount via x402 payment on Base — Clawmart · Clawmart