SYNQx402
FIRST CROWDSALE ON SYNQ · MULTI-STABLECOINS

SYNQx402 - SYNQ Token Crowdsale

Gasless crowdsale platform on BSC · x402 powered

⚡
Contribute & Claim without losing a penny
Live Progress● Live

Token Distribution (50M Total Supply)

10%
60% LIQUIDITY
12%
5%
5%
6%
2%
10% Presale (5M)
60% Liquidity (30M)
12% Marketing (6M)
5% Team (2.5M)
5% Rewards (2.5M)
6% Ecosystem (3M)
2% Advisors (1M)
🔥 50% Profit Buyback & Burn

Monthly buybacks & burns reduce supply over time

Contribute Now
Select Your Tier
🦐
Shrimp
$1
100 SYNQ
🦀
Crab
$5
500 SYNQ
🐙
Octopus
$10
1,000 SYNQ
🐬
Dolphin
$100
10,000 SYNQ
🐋
Whale
$500
50,000 SYNQ
Payment Token - All x402 Friendly
USD1USD1
USDCUSDCSoon
DAIDAISoon
⚡ USD1 - Live now on BSC with full gasless support
🚀 USDC & DAI - 100% supported on Ethereum & Solana · Coming to BSC
⛽
Zero Gas Fees
You pay $0 - facilitator covers all gas costs
💰
Maximum Per Wallet
$500 maximum contribution per wallet address

🗺️ Roadmap & Vision

LIVE NOW 🔴

Phase 1: Token Launches

Live on BSC! Gasless crowdsale using EIP-2612 Permit with USD1 token.

BNBBNB Chain● Live
ETHEthereum@ Launch Day
PolygonPolygon@ Launch Day
AvalancheAvalanche@ Launch Day
ArbitrumArbitrum@ Launch Day
OptimismOptimism@ Launch Day
SolanaSolana@ Launch Day
Q1-Q2 2026

Phase 2: GoFund Platform

Democratizing fundraising for real-world projects:

  • Medical emergencies & treatments
  • Disaster relief & humanitarian aid
  • Community projects & education
3% platform fee vs traditional 7.9-10.9%
Q3-Q4 2026

Phase 3: Startup Solutions

  • Seed & Series A fundraising
  • DAO & protocol token launches
  • White-label solutions
  • Smart vesting & compliance
Mission: Make blockchain payments as easy as Web2, while maintaining the security and transparency of Web3.

💼 Business Model

🚀

Token Launches

2% of funds raised

Example: $50k raise = $1k platform fee

💚

GoFund Platform

3% platform fee

vs traditional 7.9-10.9% total fees

Market: $1.2T/year globally
⚡

API & Dev Tools

$99-$999/mo

Free: 100 txs/mo
Pro: $99/mo - 10k txs
Enterprise: Custom

🏢

Startup Solutions

$5k setup

+ $500-$5k/mo SaaS
White-label solutions

📈 Revenue Allocation

50%
SYNQ Buyback & Burn
25%
Development & Operations
15%
Marketing & Growth
10%
Team & Advisors
Transparent & Non-Predatory: All fees clearly stated upfront. No hidden costs. We succeed when you succeed.

⚙️ Technology Stack

BSC Network Infrastructure

BNB Chain (BSC) powered with x402-permit protocol for gasless transactions using USD1.

BNB Chain
BNB Chain
● Live
Ethereum
Ethereum
@ Launch Day
Polygon
Polygon
@ Launch Day
Avalanche
Avalanche
@ Launch Day
Arbitrum
Arbitrum
@ Launch Day
Optimism
Optimism
@ Launch Day
Solana
Solana
@ Launch Day
x402 Protocol
x402 Protocol
EIP-3009

🛠️ Core Technologies

  • EIP-3009: TransferWithAuthorization for gasless transfers
  • EIP-712: Typed structured data hashing and signing
  • Meta-Transactions: Off-chain signatures, on-chain execution
  • Next.js 15: React framework with App Router
  • Vercel Postgres: Serverless database

🔐 Security Features

  • Domain Separation: EIP-712 prevents replay attacks
  • Nonce System: Each signature usable only once
  • Deadline Validation: Signatures expire after 15 minutes
  • Signature Verification: Cryptographic proof on-chain

⚡ API & Documentation

Integrate SynqSale's gasless payment infrastructure into your application. Accept stablecoin contributions with zero gas fees using our simple REST API.

🤖 AI Compatible: Our API implements the x402 protocol with auto-discovery endpoints. AI agents can automatically discover and interact with payment capabilities.

🔌 Contribution Endpoints

POST
/sale/{project-token}/{amount}

Initiate a gasless contribution. Returns EIP-2612 signature challenge.

Example Request
POST /sale/synqx402/1
Content-Type: application/json

{
  "from": "0x742d35Cc6634C0532925a3b844Bc9e7595f0bEb0",
  "token": "USDC"
}
Response (402 Payment Required)
HTTP/1.1 402 Payment Required
WWW-Authenticate: x402 realm="SynqSale Crowdsale", protocol="x402-permit"
X-Payment-Network: bsc
X-Payment-Token: USD1

{
  "domain": {
    "name": "World Liberty Financial USD",
    "version": "1",
    "chainId": 56,
    "verifyingContract": "0x8d0D000Ee44948FC98c9B98A4FA4921476f08B0d"
  },
  "types": {
    "Permit": [
      { "name": "owner", "type": "address" },
      { "name": "spender", "type": "address" },
      { "name": "value", "type": "uint256" },
      { "name": "nonce", "type": "uint256" },
      { "name": "deadline", "type": "uint256" }
    ]
  },
  "primaryType": "Permit",
  "values": {
    "owner": "0x742d35Cc6634C0532925a3b844Bc9e7595f0bEb0",
    "spender": "0x...",
    "value": "1000000000000000000",
    "nonce": "0",
    "deadline": "1761900000"
  }
}
POST
/sale/{project-token}/{amount}/settle

Submit signed authorization to complete the contribution.

Example Request
POST /sale/synqx402/1/settle
Content-Type: application/json

{
  "owner": "0x742d35Cc6634C0532925a3b844Bc9e7595f0bEb0",
  "spender": "0x...",
  "value": "1000000000000000000",
  "nonce": "0",
  "deadline": "1761900000",
  "v": 27,
  "r": "0x1234...abcd",
  "s": "0x5678...ef01",
  "token": "USD1"
}
Response (201 Created)
{
  "success": true,
  "txHash": "0x1234...abcd",
  "allocationSYNQ": 100,
  "contributionUSD": 1
}

🔍 x402 Discovery Endpoints

GET
/x402-info

Machine-readable endpoint for AI agents and payment processors to discover payment capabilities. Returns comprehensive information about supported tokens, networks, and payment tiers.

Response Example
{
  "version": "1.0.0",
  "protocol": "x402-permit",
  "network": {
    "chainId": 56,
    "name": "bsc"
  },
  "capabilities": {
    "gasless": true,
    "multiToken": true,
    "instantSettlement": true
  },
  "tiers": [
    {
      "name": "Shrimp",
      "amount": 1,
      "allocation": 100,
      "endpoint": "/sale/synqx402/1"
    },
    ...
  ]
}
GET
/.well-known/x402

Standard auto-discovery endpoint following RFC 8615. AI agents can automatically find this endpoint to discover payment capabilities without prior knowledge of the API structure.

GET
/crowdsale/status

Get current crowdsale status including raised amount, contributors, and time remaining.

📡 x402 Protocol Headers

All responses include x402 protocol headers for automatic payment discovery:

Response Headers
X-Accept-Payment: x402
X-Payment-Protocol: x402-permit
X-Payment-Network: bsc
X-Payment-Tokens: USD1
Link: </x402-info>; rel="payment-capabilities"
Link: </sale/synqx402/1>; rel="payment"; title="$1 Tier"
WWW-Authenticate: x402 realm="SYNQ Crowdsale"

For AI Agents: Parse the Link headers to discover available payment endpoints and capabilities. The X-Payment-* headers provide quick access to supported payment methods.

💎 Supported Contribution Tiers

🦐
Shrimp
/sale/synqx402/1
$1 USD→100 SYNQ
🦀
Crab
/sale/synqx402/5
$5 USD→500 SYNQ
🐙
Octopus
/sale/synqx402/10
$10 USD→1,000 SYNQ
🐬
Dolphin
/sale/synqx402/100
$100 USD→10,000 SYNQ
🐋
Whale
/sale/synqx402/500
$500 USD→50,000 SYNQ

🪙 Supported Payment Tokens

USD1
USD1
World Liberty Financial USD
0x8d0D...8B0d
USDC
USDC
USD Coin
0x8ac7...580d
DAI
DAI
Dai Stablecoin
0x1AF3...DBc3

📚 x402 Protocol Specification

  • Protocol: x402-permit (HTTP 402 Payment Required + EIP-2612)
  • Standard: EIP-2612 Permit (gasless token approvals)
  • Signing: EIP-712 (Typed Structured Data)
  • Gas Model: Zero gas - facilitator submits permit on-chain
  • Security: Nonce-based replay protection, deadline-bound signatures
  • Networks: BSC Mainnet (Chain ID: 56)
  • Discovery: RFC 8615 .well-known URIs + Link headers
  • AI Compatible: Machine-readable metadata for automated payments
🤖 For AI Agents: Start at /.well-known/x402 or /x402-info for automatic capability discovery. All endpoints include Link headers for navigation.
Need help integrating? Join our Telegram community at t.me/synqx402

© 2024 SYNQx402 · Built on BNB Chain · Powered by x402 Protocol