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any reason we haven't merged this yet? Definitely something I'd like to reference for some customers |
…g using verbatimModuleSyntax
…yments Add a new example demonstrating how AI agents can use Turnkey wallets to autonomously pay for x402-protected resources on Solana using Faremeter. - Headless auth via API keys (no browser/WebAuthn) - Wallet creation/retrieval using @turnkey/sdk-server + @turnkey/solana - Faremeter wrapFetch integration for automatic 402 payment handling - Follows existing repo conventions (env var naming, package.json shape)
…upport - Implement custom gasless payment handler for Echo server compatibility - Add v2 protocol support (accepted field, CAIP-2 network IDs) - Use correct Solana transaction structure (3 instructions) - Add USDC balance checking - Update README with accurate usage instructions
Track v2 payment context per transaction instead of global vars to prevent cross-request/race mismatches in adapted payment headers.
Extract protocol internals (gasless handler, v2 normalization) into x402-client.ts, exposing a single createX402Client() factory. This makes the agent integration pattern clearer in index.ts.
Include copy-paste snippets for OpenAI function calling, Anthropic tool use, and a generic agent pattern
…r payment handling
Bump @faremeter/* deps to ^0.17.0 and remove ~230 lines of protocol workaround code (normalizing fetch, adaptive v2 headers, CAIP-2 mapping) now handled natively by faremeter. Add partiallySignTransaction to wallet adapter per updated interface.
…phase1Fetch to patch PAYMENT-REQUIRED headers missing the resource object, which the Echo server doesn't include yet.
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This PR adds a new
example/with-x402-faremeterflow for headless Solana x402 payments using Turnkey + Faremeter.What Changed
with-x402-faremeterexample with:@faremeter/fetch+@faremeter/payment-solana/exactresponse parsing, and CAIP-2 network identifier handling
patchV2Fetchworkaround for servers (e.g. Echo)that send a PAYMENT-REQUIRED header without the required
resourceobjectTest Plan
pnpm --filter @turnkey/example-with-x402-faremeter typecheckpnpm startinexamples/with-x402-faremeterwith:TEST_PAYWALL_URL=https://x402.payai.network/api/solana-devnet/paid-contentNote
Echo server uses gasless settlement semantics (server covers SOL fee);
Faremeter's exact payment handler supports this path directly via
extra.feePayer.