👗 Fashion & Textile Design · try-on verification

FitCheck · x402

A cryptographic proof-of-fit engine. Users pay 0.05 USDC per high-fidelity render to verify garment draping against their anonymized body scan. Brands pay a recurring 0.01 USDC 'verification fee' per session to eliminate 'bracket ordering' returns. Every try-on is a paid, verifiable event that generates a unique HTS transfer signed claim of fit accuracy.

Hedera testnet + x402 paywall· x402 native
Section · Onchain

The primitive.

full primer →

Access to the try-on verification engine is metered with x402: 0.01 HBAR or 0.01 HTS USDC per call, paid from the embedded wallet, so fashion designers — or the agents working for them — pay per query and get a HashScan receipt every time.

Why this primitiveCurrent virtual try-ons are low-stakes and inaccurate. By attaching a micro-cost to the render, we shift the value from a 'fun filter' to a 'financial utility' that replaces the $15 cost of a return shipment with a $0.05 verification fee.

Kernel
an x402 v2 paywall metering access at 0.01 HBAR or 0.01 HTS USDC (token 0.0.429274) per call, paid from the embedded wallet through the relay and verified by a self-hosted facilitator against the Hedera mirror node
Drives the UI as
a 'pay 0.01 HBAR or USDC to unlock' button with a live flow log and a HashScan link for every settlement
Appendix · Secrets

Required keys.

HEDERA_OPERATOR_ID
Hedera testnet account id (0.0.xxxxxx). Create and fund it free.
open ↗
HEDERA_OPERATOR_KEY
ECDSA private key for that account, from the Hedera portal dashboard.
open ↗
REOWN_PROJECT_ID
Free project id powering the HashPack pairing modal.
open ↗
HEDERA_RPC_URL
Optional. JSON-RPC relay, defaults to the public Hashio endpoint.
open ↗
PINATA_JWT
Pins images / JSON / manifests to IPFS.
open ↗

Add these in your Lovable project under Settings → Secrets before pasting the prompt below.

Appendix · Mega-prompt

The build prompt.

Paste into a fresh Lovable project. Make sure all five secrets above are set first. read the build strategy →

Loading the mega-prompt…
Appendix · Market

Market sizing.

TAM
$1.2B
The global apparel return logistics and virtual fit market.
SAM
$420M
The digital fashion assets and virtual fitting room segment.
SOM
$18M
High-end e-commerce labels on Hedera seeking to reduce 30%+ return rates through micropayment-gated verification.

Indicative figures for hackathon pitches — refine with your own research before raising.

See also

Adjacent entries.