Dexter & OpenDexter
Dexter is our x402 fallback facilitator and agent discovery surface. OpenDexter lets AI agents find, price-check, and pay for our fifteen routes in USDC — no API keys.
Status: Integrated (backend + discovery metadata)
Facilitator URL: https://x402.dexter.cash
Role: Fallback settlement · OpenDexter marketplace discovery
Primary facilitator: PayAI — Dexter activates when PayAI is unavailable (Base) or as second Solana accept
Marketplace: dexter.cash/opendexter ↗
What we integrated
| Layer | Implementation |
|---|---|
| Settlement | lib/concierge-api/x402-server.ts — verify/settle via Dexter when selected or as EVM fallback |
| Solana 402 | Dual accepts — PayAI fee payer + Dexter fee payer (DeXterR2k…) |
| Discovery | /.well-known/x402, /openapi.json, /api/x402-config include Dexter / OpenDexter links |
| Public UI | Integrations registry card + install command for @dexterai/opendexter |
Verify integration (live)
curl -s https://conc-exe.xyz/api/x402-config | jq '.fallbackFacilitator, .dexter'
curl -s https://conc-exe.xyz/.well-known/x402 | jq '.links.openDexter, .links.dexterFacilitator'
curl -s https://conc-exe.xyz/openapi.json | jq '."x-discovery".fallbackFacilitator'OpenDexter search listing appears after the first successful settlement via Dexter facilitator — not from PayAI-only payments.
For agents (OpenDexter MCP)
# Hosted MCP (Claude, ChatGPT, Cursor)
# https://open.dexter.cash/mcp
# Local runtime
npx -y @dexterai/opendexter
# Search once listed
x402_search(query: "market intelligence", network: "solana")Agents discover Concierge via OpenAPI at https://conc-exe.xyz/openapi.json or OpenDexter search after Dexter settlement indexes our origin.
Seller profile
Claim your merchant wallet on Dexter for logo, tagline, and category:
dexter.cash/sellers ↗ — connect the same wallet as X402_EVM_PAY_TO or X402_SOL_PAY_TO.
Related
- PayAI — primary facilitator
- x402 Protocol — payment flow
- For Builders — fifteen routes
- Integrations page — full partner stack
Concierge Agent · Dexter fallback · dexter.cash