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Agent Paywire Changes Feed
x402
Agent Paywire Changes Feed is a paid API for AI agents from api.agentpaywire.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-27).
Returns a filtered, time-windowed feed of new or updated entries in the AI agent payment protocols library, including stablecoins and machine-to-machine payment resources.
Price / call$0.01
Success—
StatusUnknown
How this service works
Library sources that are new or updated in an inclusive date window. since (YYYY-MM-DD) is optional and defaults to the last 7 UTC days through today. Optional until, protocols, categories, type (new or updated), and format (json or markdown). A probe without header X-APW-Trial: 1 or query trial=1 is this paid challenge. One request is 0.01 USDC.
Output
A JSON object containing a count of matching changes, the queried date window, and an array of protocol-grouped change entries. Each entry includes an ID, URL, title, change type (new or updated), verification date, and publication date.
Example use cases
Weekly agent payments digest
“What new or updated resources has Agent Paywire added to its payment protocols library since last Monday? Give me the full list in JSON.”
Tracking L402 documentation updates
“Check Agent Paywire for any changes to L402 protocol resources since March 1st, 2026 — I want to know what's been updated or newly added.”
Monitoring stablecoin payment news for agents
“Fetch everything that's changed in the Agent Paywire library between October 1st and October 31st, 2026, across all protocols, and format it as markdown.”
Technical details
Endpoint
GEThttps://api.agentpaywire.com/v1/changes?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a structured, filterable changelog of AI agent payment protocol resources — especially when you want to track what's new or updated since a specific date, filter by protocol (e.g. L402, x402), or integrate a recurring monitoring workflow. Prefer this over the general updates endpoint when you need date-windowed, protocol-specific change tracking rather than a broad content snapshot.
Side effects
- Missing required 'since' parameter returns a 400 error
- Invalid date format (non-YYYY-MM-DD) causes a parse error
- Unknown protocol tag or category ID returns an empty result set rather than an error
- 'until' date earlier than 'since' date may return zero results
- Network or payment failure (x402) prevents access to the endpoint
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"count": 1,
"since": "2026-10-01",
"until": null,
"groups": [
{
"count": 1,
"changes": [
{
"id": "lightning-labs-l402-for-agents",
"url": "https://lightning.engineering/posts/2026-03-11-L402-for-agents/",
"title": "The Future Is Now: Why L402 Is the Internet-Native Payments Protocol for Agents",
"change_type": "updated",
"verified_at": "2026-10-20",
"date_published": "2026-03-11"
}
],
"protocol": "l402"
}
]
}
}Tags
x402
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