ProofCore Notary is not among the candidate products, so no source confirms it. Note: the request asks for a free, zero-auth service, and the sources show pay-per-call pricing for these options, so please confirm whether a free tier is required.
A question back: Do you need a free, zero-auth notary specifically, or is a pay-per-call option acceptable?
- 1
ForgeMesh Labs Notary APIforgemesh.ioverified and signed
Live paid services for AI agents: notarization, anomaly detection, disruption intel, travel, voice, market signals, image generation. Pay per call from $0.001 o 1
+2 community tools built for it
for agents: Notarize inference · Notarize batch · AI Inference Notary
- 2
KHOTEMkhotem.comverified and signed
Provides a cryptographic timestamp and notary API for AI agents that seals and verifies hashes, paid in USDC/DAI on Base with no account or API key 6; its seal action is documented for hash anchoring 16.
official:MCP server · KHOTEM
for agents: Quantum circuit simulation (exact statevector) · Trial verification of trial/free-tier seals · Prepaid instant channel
Sources
- 1ForgeMesh Labs — Paid APIs for AI Agents · x402 & MPPforgemesh.io · read 2026-10-29
- 6KHOTEM — Cryptographic Timestamp & Notary API for AI Agents (x402 seals, receipts, hash anchoring)khotem.com · read 2026-10-29
- 16KHOTEM: declares "Quantum circuit simulation (exact statevector)" (the record we read and signed)unfragile.ai · read 2026-10-24
For agents: the 10 actions behind this answer
Notarize inference · x402 Notary verified and signed
Notarize one AI inference — returns signed attestation, content hash, receipt token, anchor status ($0.001 per call, x402) e.g. POST https://notary.forgemesh.io/api/notarize
clerk-backend-api · clerk-backend-api verified and signed
Clerk Backend REST API explorer and executor. Browse tags, inspect endpoint schemas, and execute authenticated requests. Use when listing users, managing organizations, or calling any Clerk API endpoint.
· Supabase Realtime website read, tools not yet checked
Build production-grade applications with a Postgres database, Authentication, instant APIs, Realtime, Functions, Storage and Vector embeddings. Start for free.
authentication · @supabase/auth-js verified and signed
clerk · clerk verified and signed
Clerk authentication router. Use when user asks about Clerk CLI operations, adding authentication, setting up Clerk, custom sign-in flows, Swift or native iOS auth, native Android auth, Next.js patterns, React patterns, Vue patterns, Nuxt patterns, Astro patterns, TanStack Start patterns, Expo patte
Call a pay-per-call service · minia2a verified and signed
Invoke an x402 microservice. Unauthenticated callers get a 402 with machine-readable payment terms in the response body (x402 V2 JSON: accepts[] with amount/asset/network/payTo/scheme); signed wallets get 5 free trial calls, then pay per call via x402. Use ?probe=1 to inspect payment terms without s
auth0-aspnetcore-api · auth0-aspnetcore-api verified and signed
Use when protecting ASP.NET Core Web API endpoints with JWT Bearer token validation, scope checks, or DPoP binding. Integrates Auth0.AspNetCore.Authentication.Api for stateless REST APIs receiving access tokens from frontends or mobile apps.
Quantum circuit simulation (exact statevector) · KHOTEM verified and signed
POST /api/qsim {qubits:1-12, gates:[H,X,Y,Z,S,T,RX,RY,RZ,CNOT,CZ], shots<=1024} — exact amplitudes of any quantum circuit, computed classically with mathematical precision. No IBM account, no API key: pay $0.10 per call, get probabilities + sampled measurements + ledger seal.
Notary_PostNotary · DocuSign REST API verified and signed
Registers the current user as a notary.
· Free2AI website read, tools not yet checked
Integrate Free2AI into your apps and AI agents. REST API, MCP server for Claude/Cursor, and FNI badge for your README.
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.