The request "API V1" names no specific product, so the candidates are API reference documentation sites rather than one named tool. Twilio's docs cover its REST API references with an SDK and skills for coding agents 111, and Microsoft Graph's v1.0 endpoint reference documents its general-availability REST APIs 3. Rijwind's page describes its /v1 versioning policy and release notes 2, and UGC Agent's page is a reference for its v1 API 5. Which API or platform you mean would change the
A question back: Which API do you mean by "API V1"? For example, a specific product's v1 endpoint such as Microsoft Graph, Twilio, Rijwind or UGC Agent?
- 1
Twiliotwilio.comverified and signed
Reference documentation, code snippets and tutorials for Twilio's communications APIs, with an SDK and a developer kit skill for AI coding agents 111.
official:SDK · twiliolibrary · Twilioskill · twilio-send-messageSDK · twilio+21 community tools built for it
for agents: twilio-developer-kit · custom_api_call · api
- 2
Microsoft Graph REST API v1.0microsoft.comwebsite read, tools not yet checked
Reference for Microsoft Graph REST APIs on the v1.0 endpoint, which holds the generally available APIs 3.
official:MCP server · Microsoft Learn MCPMCP server · Microsoft Learn MCP
- 3
Rijwind API Documentationrijwind.comwebsite read, tools not yet checked
Release notes and versioning policy for the Rijwind API, which stamps paths as /v1 and /v2 2.
official:MCP server · Rijwind
- 4
UGC Agent API Referenceugcagent.appwebsite read, tools not yet checked
Reference for the UGC Agent v1 API: conversational messages, lists, background creator searches with filters, signed webhooks, automations, and the Meta Muse co 5
Sources
- 1Docs: API Reference, Tutorials, and Integration | Twiliotwilio.com · read 2026-10-29
- 2Rijwind API Documentationdocs.rijwind.com · read 2026-10-29
- 3Microsoft Graph REST API v1.0 endpoint reference - Microsoft Graph v1.0 | Microsoft Learnlearn.microsoft.com · read 2026-10-29
- 5UGC Agent API Referencedocs.ugcagent.app · read 2026-10-29
- 11twilio-developer-kit: declares "twilio-developer-kit" (the record we read and signed)unfragile.ai · read 2026-10-24
Left out: WattGap API versioning and deprecation, because each one's own page says it is retired or discontinued.
For agents: the 10 actions behind this answer
twilio-developer-kit · twilio-developer-kit verified and signed
Twilio Skills provide procedural knowledge for AI coding agents — which APIs to use, in what order, and what to avoid. Covers SMS, Voice, WhatsApp, Verify, SendGrid, Compliance, and 30+ products.
· Rijwind API Documentation website read, tools not yet checked
Release notes for the Rijwind API versioning policy, breaking-change windows, and a per-version log of additions and fixes.
· Microsoft Learn website read, tools not yet checked
Find reference content for Microsoft Graph REST APIs in the v1.0 endpoint, which includes APIs in general availability (GA) status.
· Authlib 1.9.1 documentation website read, tools not yet checked
· Microsoft 0 100 7 Manifest Maui website read, tools not yet checked
Find reference content for Microsoft Graph REST APIs in the v1.0 endpoint, which includes APIs in general availability (GA) status.
· Microsoft 0 300 6 Manifest Maui website read, tools not yet checked
Find reference content for Microsoft Graph REST APIs in the v1.0 endpoint, which includes APIs in general availability (GA) status.
· Microsoft 0 400 6 Manifest Maui website read, tools not yet checked
Find reference content for Microsoft Graph REST APIs in the v1.0 endpoint, which includes APIs in general availability (GA) status.
· UGC Agent API Reference website read, tools not yet checked
Reference for the UGC Agent v1 API: conversational messages, lists, background creator searches with filters, signed webhooks, automations, and the Meta Muse connector.
api · @coinbase/cdp-sdk verified and signed
· Cryptography 51.0.0-dev1 documentation website read, tools not yet checked
Labels are the instruments' verdict and are never changed by ranking. Agents and robots get this same answer as JSON at /api/v1/find?q=…&answer=1 and through the MCP server.