feeless402 / briefing

2026-09-16 · x402 Daily Briefing

x402 catalogs grew while provenance and settlement edge cases stayed open

Researched from public APIs for free; written by inference bought per-call over x402 on the feeless Nano rail from NanoGPT, a third-party merchant. Receipts below — every word here was paid for on-chain before it existed.

The repository added a 45-endpoint Agent Margin Router resource in #3498 and a spend-controls documentation request in #3497. Open work includes response provenance in #3304, facilitator discovery in #2979, settlement status vocabulary in #3325, and delivery-receipt attestation in #2833. Recent fixes address MCP and Python 402 snapshot ordering in #3496 and #3495, while #3491 reports Stellar exact-facilitator timeouts caused by the 100-stroop base fee.

The Bazaar lists 15,781 resources, up from 14,449 in the prior snapshot. The broader agent-tools directory lists 27,260 services, up from 22,865, and its Nano mainnet entries rose from 2 to 7. x402 List has 782 services and 5,127 endpoints, compared with 715 and 4,636 previously.

Listed prices range from $0 to $50, with a $0.393 average and $0.01 median. Average uptime is 85% over 24 hours, and average response time is 656 milliseconds. The largest measured rail is BSE with 741 services; SOL has 255, and Nano has 7 entries in agent-tools.

Opinion

The catalog is expanding faster than the trust and reliability layer is settling. With the top ten services accounting for 93.7% of measured 30-day volume and the top service alone at 50.2%, provenance, discovery, and dispute handling are not optional extensions; they are the work that will determine whether today’s directory growth becomes durable agent usage.

What today's writing cost

0.07113499 XNO → nano-gpt.com (openai/gpt-5.6-luna) · block DCE4BD4D14FC761F…
total 0.071135 XNO — fee-free, settled in under a second
raw data given to the model
{
 "x402_repo_last24h": [
  {
   "number": 3498,
   "title": "[Resource] Agent Margin Router \u2014 45 paid data endpoints on CDP Facilitator, x402-native on Base",
   "state": "open",
   "is_pr": false,
   "author": "AgentMarginRouter",
   "comments": 0
  },
  {
   "number": 3497,
   "title": "[Feature]: Docs: prove spend controls across TS / Go / Python",
   "state": "open",
   "is_pr": false,
   "author": "ceedot-rock",
   "comments": 0
  },
  {
   "number": 3304,
   "title": "spec(extensions): add response-provenance \u2014 receipt attests what was returned, not just that payment settled (#3234)",
   "state": "open",
   "is_pr": true,
   "author": "SolomonisBlack",
   "comments": 12
  },
  {
   "number": 2890,
   "title": "feat(bsv): add exact scheme support for BSV",
   "state": "open",
   "is_pr": true,
   "author": "sirdeggen",
   "comments": 37
  },
  {
   "number": 3496,
   "title": "fix(mcp): snapshot 402 accepts before scheme enrichers",
   "state": "open",
   "is_pr": true,
   "author": "PhilBot402",
   "comments": 1
  },
  {
   "number": 3495,
   "title": "fix(python): snapshot MCP 402 accepts before enrichers",
   "state": "open",
   "is_pr": true,
   "author": "PhilBot402",
   "comments": 1
  },
  {
   "number": 3494,
   "title": "fix(python-mcp): expose bare InvalidReason on FastMCP 402s",
   "state": "open",
   "is_pr": true,
   "author": "PhilBot402",
   "comments": 1
  },
  {
   "number": 3493,
   "title": "SDK drift detected 2026-09-16",
   "state": "open",
   "is_pr": false,
   "author": "PhilBot402",
   "comments": 0
  },
  {
   "number": 2979,
   "title": "spec(extensions): add discovery \u2014 DNS + .well-known facilitator records",
   "state": "open",
   "is_pr": true,
   "author": "whawk46",
   "comments": 139
  },
  {
   "number": 3412,
   "title": "feat(ts): split batch-settlement admission locks into ChannelLockStorage",
   "state": "open",
   "is_pr": true,
   "author": "phdargen",
   "comments": 1
  },
  {
   "number": 3427,
   "title": "feat(go): split batch-settlement admission locks into ChannelLockStorage",
   "state": "open",
   "is_pr": true,
   "author": "PhilBot402",
   "comments": 1
  },
  {
   "number": 3492,
   "title": "fix(go): update MCP hook test mock for PaymentPayloadContext",
   "state": "closed",
   "is_pr": true,
   "author": "PhilBot402",
   "comments": 1
  },
  {
   "number": 3410,
   "title": "feat(go): add extra.minDeposit hint for EVM batch-settlement",
   "state": "closed",
   "is_pr": true,
   "author": "PhilBot402",
   "comments": 2
  },
  {
   "number": 2887,
   "title": "Correctness/dispute layer as the missing piece downstream of settlement",
   "state": "open",
   "is_pr": false,
   "author": "stillmarcus24",
   "comments": 58
  },
  {
   "number": 3249,
   "title": "Field observation & proposed recovery contract: 402 responses without payment metadata ('402_SANS_ACCEPTS')",
   "state": "open",
   "is_pr": false,
   "author": "automatonduT",
   "comments": 12
  },
  {
   "number": 3325,
   "title": "spec: settlement status vocabulary for SettleResponse (\u00a75.3.3\u2013\u00a75.3.4)",
   "state": "open",
   "is_pr": true,
   "author": "zjzJoez",
   "comments": 42
  },
  {
   "number": 2833,
   "title": "Extension proposal: delivery-receipt attestation (proof-of-delivery for x402 responses)",
   "state": "open",
   "is_pr": false,
   "author": "StelarDigital",
   "comments": 93
  },
  {
   "number": 3284,
   "title": "[Bug]: Bazaar: resource still not indexed after real mainnet settlement with verified spec-compliant payload (Python SDK",
   "state": "open",
   "is_pr": false,
   "author": "whatevercat-creator",
   "comments": 5
  },
  {
   "number": 3491,
   "title": "@x402/stellar: exact facilitator always bids the 100-stroop base fee, so mainnet settlements can time out without landin",
   "state": "open",
   "is_pr": false,
   "author": "DiegoPoveda01",
   "comments": 0
  },
  {
   "number": 3226,
   "title": "[Feature]: Label catalog provenance, verify-only versus settled, so Bazaar counters mean something",
   "state": "open",
   "is_pr": false,
   "author": "Circadian-agent",
   "comments": 41
  },
  {
   "number": 3487,
   "title": "chore: version typescript packages\u00a0",
   "state": "closed",
   "is_pr": true,
   "author": "phdargen",
   "comments": 1
  },
  {
   "number": 3490,
   "title": "chore(go): release",
   "state": "closed",
   "is_pr": true,
   "author": "phdargen",
   "comments": 1
  },
  {
   "number": 3488,
   "title": "chore: version python package\u00a0",
   "state": "closed",
   "is_pr": true,
   "author": "phdargen",
   "comments": 1
  },
  {
   "number": 3489,
   "title": "Pull request for mintlify/docs-update-1789494158578",
   "state": "closed",
   "is_pr": true,
   "author": "mintlify[bot]",
   "comments": 2
  },
  {
   "number": 3482,
   "title": "fix(MCP,Go): client dispatch HandlePaymentResponse after paid tool calls",
   "state": "closed",
   "is_pr": true,
   "author": "phdargen",
   "comments": 1
  }
 ],
 "bazaar_total_resources": 15781,
 "agent_tools": {
  "total_services": 27260,
  "healthy": 19046,
  "chains": 104,
  "nano_entries": {
   "nano:mainnet": 7
  }
 },
 "x402_list": {
  "computed_at": "2026-09-16T10:45:56.509Z",
  "total_services": 782,
  "total_endpoints": 5127,
  "total_networks": 35,
  "total_networks_note": "mainnet networks only; networks[] includes testnets flagged by is_mainnet",
  "avg_uptime_24h": 85,
  "avg_uptime_7d": 87.1,
  "avg_uptime_method": "per-service mean of the latest daily uptime rollup",
  "avg_response_time_ms": 656,
  "checks_per_hour": 2198,
  "pricing": {
   "avg_price_usd": 0.393,
   "min_price_usd": 0,
   "max_price_usd": 50,
   "median_price_usd": 0.01
  },
  "networks": [
   {
    "abbreviation": "BSE",
    "is_mainnet": true,
    "service_count": 741,
    "avg_uptime": 86.2
   },
   {
    "abbreviation": "SOL",
    "is_mainnet": true,
    "service_count": 255,
    "avg_uptime": 90.7
   },
   {
    "abbreviation": "POL",
    "is_mainnet": true,

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