Is the Claude / GPT you're paying for actually real?
API relays quietly swap the model you paid for with a cheaper one — and prompt it to claim it's still Claude. Panshi Sentinel detects & monitors the real upstream by behavioral fingerprint.
96.3% fingerprint accuracy on our reference model set · sees through disguised upstreams · informed by published research.
Also from Panshi: 147+ ready-to-use AI tools →
🛰️ Free relay check
Paste your relay's answers or run a one-file CLI — find out in seconds if your Claude / GPT is genuine or substituted.
SaaS🛡️ Continuous monitoring
Watch all your upstream channels 24/7 and get alerted the moment a model is swapped or degraded. From $99/mo.
List📊 Provider list & certs
Compare listed relays by Panshi cert grade, price tier & live availability.
Also from Panshi: 147+ AI tools
A toolbox of ready-to-use AI utilities — resumes, invoices, translation, SQL, image editing and more. Pay per use, 30 free points on signup.
No tools match — try a different word.
Featured tools
View all tools →🔢Token Calculator
Count tokens (o200k / GPT-4o) and compare input/output cost across GPT, Claude, Gemini, DeepSeek & Qwen — runs in your browser.
Live · Free🔑API Key Leak Scanner
Paste code or config and instantly find hardcoded secrets — OpenAI/AWS/GitHub/Stripe/Google keys, private keys, JWTs. 100% in-browser.
Live · $9.9 / 10 runs📄Resume Tailor
Tailor your resume to any job using only your real experience — ATS-ready, .docx export.
Live · $9 / 200 pages🔍OCR Extract
Upload an image or PDF and pull out the data — text, structured JSON, tables to CSV, contacts.
Live · $9 / 100 generations🎨AI Logo
Describe your brand and generate clean, high-res PNG logo concepts in seconds — six style directions.
Live · $9 / 100 runs⚖️Ad Compliance Rewrite
Scan marketing copy for banned / absolute-claim words and get a compliant rewrite that keeps the selling power.
Live · $9 / 100 runs🔬Code Review
Paste a diff or file and get a ranked review — bugs, logic, security, performance — with fixes.
Live · $9 / 100 runs🛍️Product Copy
Turn product specs into a high-converting listing — hook, selling points, scenarios, FAQ.
Live · $9 / 50 runs🪄AI Image Edit
Upload an image and describe the change — swap the background, remove objects, restyle. One sentence.
Live · $9 / 100 runs📈Business Plan
Describe your idea and get a structured business plan — problem, solution, market, model, milestones.
Browse by use case
View all 147 tools →Writing & content
Copywriting, rewriting, compliance & localization.
Creator & short video
Hooks, scripts, titles, content calendars, captions & post diagnostics.
Livestreaming
Selling scripts, warm-ups, urgency, lineup & session reviews for live commerce.
Design & images
Logos, AI image edits, backgrounds, headshots & restores.
Product design & UX
Handoff specs, usability audits, UX-research synthesis, microcopy, personas & a11y.
Office & work
Plans, reports, emails, slides & everyday work docs.
Official & gov docs
Official documents, work summaries, speeches, policy reads, filings & minutes.
Finance & accounting
Reconciliation, journal entries, AR aging, invoice & expense review — AI drafts to review.
Tax & financial analysis
Tax estimates, policy fit, incentives, financial-statement reads & briefs.
E-commerce
Listings, review replies, selection & seller scripts.
Customer support
Tickets, de-escalation, returns, FAQs, multilingual replies & follow-ups.
Cross-border trade
Cold emails, inquiry replies, listings, HS codes, quotes & buyer research.
Career
Resumes, cover letters & interview kits.
Developer
Code review, SQL, formulas, validators & OG images.
Documents
OCR, translate, summarize, transcribe & contracts.
Data & analytics
Chart reads, survey design & analysis, A/B tests, metric trees & insight reports.
Legal & compliance
Privacy policies, ToS, NDAs, agreements — AI drafts to adapt.
Education & teaching
Lesson plans, quizzes, course outlines, grading & flashcards.
Academic & research
Paper polish, abstracts, lit-review outlines, proposals, defense prep & citations.
HR & hiring
JDs, interview kits, offers, reviews & handbooks — employer side.
Need something custom?
Custom AI automation, GEO / AI-search visibility, and Panshi Sentinel, LLM supply-chain detection for API relays. Built by an engineer who runs agent fleets in production.