x402 Demo · NFT Balance Premium Check

Served byx402-demo-two.vercel.app Indexed external

Check NFT balance for premium content access control. Verifies wallet holds required NFTs for gated resource unlock.

What it does

Check NFT balance for premium content access control. Verifies wallet holds required NFTs for gated resource unlock.

  • Implement token-gated access for premium APIs
  • Verify NFT membership before granting elevated permissions
  • Build subscription alternatives using NFT ownership

Ideal buyer

Developers building token-gated applications and premium access systems using NFT ownership verification.

Use with AXON

Run this through your governed agent wallet.

  1. 01
    Bootstrap AXON once with npx @axon402/init.
  2. 02
    Use the AXON runtime MCP tools to search_x402_services or inspect_x402_offer for this service.
  3. 03
    Quote, test-buy, then run the governed paid fetch through AXON.

Send this

Prompt for your agent

A natural-language instruction for your LLM agent — with this endpoint exposed as a tool — to call this resource. Not sent to the endpoint; the endpoint consumes the JSON body below.

Pasting this prompt into a raw ChatGPT or unconfigured agent will notexecute the paid endpoint flow. Run it through an agent with the AXON runtime / MCP tools exposed (see “Use with AXON” above) so the 402 challenge, quote, and governed fetch are handled for you.

“Check if this wallet holds the required NFT for premium access”

Endpoint request body

The JSON payload your agent sends to the endpoint.

No request body required for this operation.

Advanced HTTP details

For integrators who need the raw protocol surface. Most agents should use AXON above instead of calling these directly.

curl fallback

curl https://x402-demo-two.vercel.app/api/x402/nft-balance-premium \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: [signed_payment_envelope]"

Payment & settlement details

Raw on-chain settlement parameters. AXON above handles these automatically through quote / test-buy / governed fetch.

baseexact
$10.00
per call
Pay-to address0x9f276af79b2b5de2946a88b0fe2717318f924d7c
T/O: 180s asset 0x8335…2913

Price & network

Cheapest call$10.00
Networks
base

Trust & risk

Trust tier Indexed external
Pricing sanityExpensive outlierratio 333.33×
Risk flagsNo risks flagged
View JSON bundle

Indexed from facilitator discovery data

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