fix(cli): show whether payment was attempted on server errors

When a server returns a non-402 error (500, 503, etc.), display a
message indicating whether the payment was actually attempted. Helps
users distinguish "server down before payment" from "payment processed
but server failed".

Author: tenequm

packages/x402-proxy/CHANGELOG.md

@@ -7,6 +7,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.7.1] - 2026-03-20
+
+### Fixed
+- Non-402 server errors (500, 503, etc.) now indicate whether payment was attempted, helping users distinguish "server down" from "payment failed"
+
 ## [0.7.0] - 2026-03-20
 
 ### Added
@@ -186,7 +191,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - `appendHistory` / `readHistory` / `calcSpend` - JSONL transaction history
 - Re-exports from `@x402/fetch`, `@x402/svm`, `@x402/evm`
 
-[Unreleased]: https://github.com/cascade-protocol/x402-proxy/compare/v0.7.0...HEAD
+[Unreleased]: https://github.com/cascade-protocol/x402-proxy/compare/v0.7.1...HEAD
+[0.7.1]: https://github.com/cascade-protocol/x402-proxy/compare/v0.7.0...v0.7.1
 [0.7.0]: https://github.com/cascade-protocol/x402-proxy/compare/v0.6.0...v0.7.0
 [0.6.0]: https://github.com/cascade-protocol/x402-proxy/compare/v0.5.2...v0.6.0
 [0.5.2]: https://github.com/cascade-protocol/x402-proxy/compare/v0.5.1...v0.5.2

packages/x402-proxy/package.json

@@ -1,6 +1,6 @@
 {
   "name": "x402-proxy",
-  "version": "0.7.0",
+  "version": "0.7.1",
   "description": "curl for x402 paid APIs. Auto-pays any endpoint on Base, Solana, and Tempo. Also works as an OpenClaw plugin.",
   "type": "module",
   "sideEffects": false,

packages/x402-proxy/src/commands/fetch.ts

@@ -391,6 +391,15 @@ Examples:
       if (/payment|auth|www|x-pay/i.test(k)) verbose(`header ${k}: ${v.slice(0, 200)}`);
     }
 
+    // Non-402 error: tell user whether payment was attempted
+    if (!response.ok && response.status !== 402 && isTTY()) {
+      if (!payment) {
+        dim("  Server returned error before payment was attempted.");
+      } else {
+        dim("  Payment was processed but server returned an error.");
+      }
+    }
+
     // Payment failed - check balances and show appropriate message
     if (response.status === 402 && isTTY()) {
       const detected = detectProtocols(response);