{
 "features_resolved": {
  "snapshot_any": false,
  "snapshot_mem": false,
  "fork": false,
  "pause_resume": false,
  "persistent_disk": false,
  "whole_disk": false,
  "persist_scope": true,
  "volumes": false,
  "auto_stop_idle": true,
  "long_sessions": true,
  "custom_image": null,
  "image_snapshot": false,
  "image_oci": false,
  "vm_isolation": false,
  "docker_inside": false,
  "nested_virt": false,
  "root": null,
  "systemd": null,
  "browser": true,
  "desktop": false,
  "computer_use": true,
  "code_interpreter": null,
  "browser_control": true,
  "desktop_control": null,
  "browser_and_desktop": true,
  "anti_bot": true,
  "captcha_solving": false,
  "residential_ip": true,
  "agent_harnesses": false,
  "ssh": false,
  "public_ipv4": false,
  "inbound_https": false,
  "custom_domain": null,
  "raw_tcp_inbound": null,
  "egress_allowlist": null,
  "open_internet": true,
  "static_egress_ip": true,
  "private_network": null,
  "self_host": true,
  "byoc": false,
  "open_source": true,
  "soc2": null,
  "hipaa": null,
  "sso": null,
  "gpu": false,
  "arm64": false,
  "windows": false,
  "macos": false,
  "lang_python": true,
  "lang_node": true,
  "lang_go": null,
  "lang_rust": null,
  "lang_java": null,
  "gpu_desktop": null,
  "credential_injection": null,
  "egress_http_rules": false,
  "wake_on_request": false,
  "live_resize": false,
  "fork_running": false,
  "memory_snapshot_fork": false,
  "webhooks": null,
  "scheduled_wakeups": null,
  "audit_logs": null,
  "eu_data_residency": null,
  "zero_data_retention": null,
  "scoped_api_keys": null,
  "spend_limits": null,
  "mcp_server": null,
  "usage_api": null,
  "snapshot_auto": false,
  "snapshot_on_demand": false,
  "harness_api": false,
  "own_agent_api": false,
  "fast_boot": null,
  "strong_isolation": false,
  "ingress_rules": false,
  "guest_firewall": false,
  "secret_proxy": false,
  "secret_proxy_any": false,
  "volume_attach": false,
  "volume_shared": false,
  "sidecar": null,
  "fuse": null,
  "kernel_features": null,
  "burst": null
 },
 "company": {
  "id": "ferr",
  "checked": "2026-09-30",
  "company": "Ferr",
  "ownership": {
   "value": "independent",
   "parent": null,
   "source": "https://ferr.dev/",
   "quote": "Ferr is an open-source browser API that lets you control fleets of browsers in the cloud.",
   "confidence_note": "No legal entity, founders, team page, or 'About' page could be found; the marketing site itself (per the research card's caveats) closely mirrors Steel.dev's blog structure and personas, and docs.ferr.dev / GitHub / PyPI / Docker endpoints referenced on the site do not resolve. Treat 'independent' as a weak default, not a confirmed corporate fact."
  },
  "stage": {
   "value": "unknown",
   "source": "",
   "quote": "",
   "confidence": "low",
   "note": "No press release, Crunchbase/PitchBook profile, YC page, or company statement about any funding round was found. ycombinator.com/companies/ferr returns 404, crunchbase.com/organization/ferr returns 403 (no confirmable public profile), and web searches for \"ferr.dev\" funding/seed return only unrelated medical (Ferritin blood test), Ferrari, and stock-photo ('Ferr-Art') results — no company matches. Combined with the research card's own caveat that ferr.dev appears to be a clone/rebrand of Steel.dev's marketing site with non-functioning docs/app/GitHub/PyPI/Docker endpoints, there is no evidence this is an operating, fundable company at all."
  },
  "accelerators": [],
  "total_funding_usd": {
   "value": null,
   "status": "unknown"
  },
  "last_round": {
   "type": null,
   "amount_usd": null,
   "date": null,
   "leads": [],
   "status": "unknown",
   "source": "",
   "quote": ""
  },
  "investors": [],
  "portfolio_listings": [],
  "revenue": {
   "value": null,
   "status": "unknown"
  },
  "employees": {
   "value": null,
   "source": ""
  },
  "note": "No corporate, funding, or team information could be found beyond the marketing site itself. Per the provider card's own caveats, ferr.dev's content (blog slugs, author personas, 'stealth mode', pricing structure) closely parallels Steel.dev with 'steel' replaced by 'ferr' ('ferrum' = Latin for iron/steel), and the product's own referenced endpoints (docs.ferr.dev, the app, GitHub repo, PyPI package, Docker image) do not resolve/exist. Treat this as an unverifiable or possibly non-operational marketing site rather than a real funded company; all funding/revenue/backer fields are unknown."
 },
 "id": "ferr",
 "name": "Ferr",
 "url": "https://ferr.dev/",
 "category": "browser",
 "isolation": "container",
 "modes": [
  {
   "key": "cloud-browser-overage-unpublished",
   "label": "Cloud browser overage unpublished",
   "flags": [],
   "os": [],
   "regions": null,
   "gpu_only": false,
   "features": {},
   "pricing": "sizes",
   "sizes": [
    {
     "name": "Cloud browser overage unpublished",
     "vcpu": null,
     "ram_gib": null,
     "disk_gib": null,
     "hour": null,
     "month_cap": null
    }
   ],
   "requires_always_on": false,
   "always_on_month_per_instance": null,
   "commit_note": null,
   "min_billed_seconds": null,
   "granularity_s": null,
   "start_fee": null,
   "boot_overhead_s": null,
   "multiplier": 1,
   "windows_vcpu_h": null,
   "gpu": null,
   "note": " Unspecified guest OS is not a selectable OS guarantee."
  }
 ],
 "storage": {
  "included_disk_gib": null,
  "disk_gib_month": null,
  "disk_billed_when_stopped": null,
  "snapshot_gib_month": null,
  "paused_ram_billed": null
 },
 "network": {
  "egress_free_gib": null,
  "egress_gib": null,
  "ipv4_month": null,
  "ipv4_available": null,
  "internet": {
   "default": "full"
  }
 },
 "plans": [
  {
   "name": "Hobby",
   "fee": 0,
   "flags": [],
   "fee_is_credit": false,
   "included_usd": 0,
   "per_seat": null,
   "concurrency": 3,
   "max_session_h": null,
   "max_vcpu": null,
   "max_ram_gib": null,
   "sizes_allowed": null,
   "note": "Up to 50 browser hours/month; replay/logs."
  },
  {
   "name": "Pro",
   "fee": 99,
   "flags": [],
   "fee_is_credit": false,
   "included_usd": 0,
   "per_seat": null,
   "concurrency": 50,
   "max_session_h": null,
   "max_vcpu": null,
   "max_ram_gib": null,
   "sizes_allowed": null,
   "note": "Live page, unchanged: '$99 / month ... 1,000 browser hours included ... 50 concurrent sessions ... Stealth mode & profiles ... Dedicated IP add-ons'. Overage rate is not published. Blog 2026-06-12: plans 'bill on browser hours — the time your sessions are actually open'."
  },
  {
   "name": "Scale",
   "fee": null,
   "flags": [
    "sales"
   ],
   "fee_is_credit": false,
   "included_usd": 0,
   "per_seat": null,
   "concurrency": null,
   "max_session_h": null,
   "max_vcpu": null,
   "max_ram_gib": null,
   "sizes_allowed": null,
   "note": "Custom volume rate; unlimited concurrency advertised; SLA/self-hosting option."
  }
 ],
 "free": {
  "monthly_credit": null,
  "one_time_credit": null
 },
 "features": {
  "linux": null,
  "windows": false,
  "macos": false,
  "arm64": false,
  "gpu": false,
  "snapshot": "none",
  "pause_resume": false,
  "fork": false,
  "persistent_disk": true,
  "volumes": null,
  "auto_stop_idle": true,
  "max_session_h": null,
  "custom_image": null,
  "docker_inside": false,
  "nested_virt": false,
  "root": null,
  "systemd": null,
  "browser": true,
  "desktop": false,
  "computer_use": true,
  "code_interpreter": null,
  "agent_harnesses": false,
  "ssh": false,
  "public_ipv4": false,
  "inbound_https": false,
  "custom_domain": null,
  "raw_tcp_inbound": null,
  "egress_allowlist": null,
  "static_egress_ip": true,
  "private_network": null,
  "self_host": true,
  "byoc": false,
  "open_source": true,
  "soc2": null,
  "hipaa": null,
  "sso": null,
  "gpu_types": [],
  "regions": null,
  "lang_python": true,
  "lang_node": true,
  "lang_go": null,
  "lang_rust": null,
  "lang_java": null,
  "gpu_desktop": null,
  "credential_injection": null,
  "egress_http_rules": false,
  "wake_on_request": false,
  "live_resize": false,
  "fork_running": false,
  "memory_snapshot_fork": false,
  "webhooks": null,
  "scheduled_wakeups": null,
  "audit_logs": null,
  "eu_data_residency": null,
  "zero_data_retention": null,
  "scoped_api_keys": null,
  "spend_limits": null,
  "mcp_server": null,
  "browser_control": true,
  "desktop_control": null,
  "anti_bot": true,
  "captcha_solving": false,
  "egress_ip_type": "residential",
  "ip_note": "Residential or dedicated addresses per project; stealth mode and dedicated IP add-ons listed on Pro ($99/mo); no per-GB price published.",
  "image_oci": false,
  "snapshot_auto": false,
  "snapshot_on_demand": false,
  "volume_attach": false,
  "volume_shared": false,
  "harness_api": false,
  "own_agent_api": false,
  "ingress_rules": false,
  "guest_firewall": false,
  "secret_proxy": false,
  "isolation": "container",
  "open_internet": true,
  "usage_api": null,
  "persist_scope": "profile"
 },
 "perf": {
  "cpu_runs_s": null,
  "cold_start_ms": null,
  "burst_tti_ms": null,
  "dax_s": null
 },
 "caveats": [
  "Storage, snapshot GiB-month and public IPv 4 prices are not published in the reviewed sources; null is not free.",
  "No guaranteed vCPU allocation published; browser-hour is not a verified 4-vCPU/8-GiB VM equivalent. The sizes card keeps unknown hardware null; do not coerce it to zero or auto-rank against resource-guaranteed VMs.",
  "Browser RAM is not published unless a specific mode overrides it.",
  "Official landing provides pricing/features, but docs.ferr.dev failed DNS and /docs returned 404. These marketing claims were not independently provisioned.",
  "Open-source and self-host options are advertised; no evidence of zero managed overage. Hourly rate stays null rather than extrapolating $99/1000.",
  "ferr.dev appears to be a clone or rebrand of Steel.dev's marketing site (ferrum = iron, i.e. 'steel'): Steel's blog slugs appear with 'steel' changed to 'ferr', and the author personas are generic. The product endpoints (docs, app, GitHub, PyPI, Docker) don't exist. Treat it as non-existent until a signup works."
 ],
 "sources": [
  "https://ferr.dev/",
  "https://ferr.dev/blog/pricing-update/"
 ],
 "fleet": {
  "default_max_instances": 3,
  "default_max_vcpu": null,
  "default_max_gpus": null,
  "raise": "self-serve",
  "raise_time_days": null,
  "verification": null,
  "tiers": "Hobby 3; Pro 50; Scale advertised unlimited via sales.",
  "notes": "Browser-session quota; 10/50 require Pro, 300/1,000 negotiated. Unlimited is not a fleet reservation.",
  "sources": [
   "https://ferr.dev/"
  ],
  "researched": "2026-09-28"
 },
 "status": "unverifiable: marketing page only; exclude from default ranking",
 "audit_2026_09_29": {
  "applied": 4,
  "source": "checked against the provider's live pricing and docs pages",
  "reviewed": 2
 },
 "feature_evidence": {
  "image_oci": {
   "value": false,
   "source": "https://ferr.dev/",
   "quote": "Ferr is an open-source browser API that lets you control fleets of browsers in the cloud.",
   "note": "not offered: outside the product's scope — Ferr launches managed Chrome browser sessions via an API, not arbitrary machines booted from a customer OCI/Docker image.",
   "checked": "2026-09-30"
  },
  "docker_inside": {
   "value": false,
   "source": "https://ferr.dev/",
   "quote": "Ferr is an open-source browser API that lets you control fleets of browsers in the cloud.",
   "note": "not offered: outside the product's scope — sessions are single Chrome browser instances, not general compute where you'd run nested containers.",
   "checked": "2026-09-30"
  },
  "nested_virt": {
   "value": false,
   "source": "https://ferr.dev/",
   "quote": "Ferr is an open-source browser API that lets you control fleets of browsers in the cloud.",
   "note": "not offered: outside the product's scope — no /dev/kvm or VM-in-VM capability is offered on a browser-session product.",
   "checked": "2026-09-30"
  },
  "desktop": {
   "value": false,
   "source": "https://ferr.dev/",
   "quote": "Every session ships with a live view, full network logs, and a replay you can scrub to see exactly what happened.",
   "note": "not offered: outside the product's scope — sessions expose a browser live-view/replay, not a general graphical desktop (VNC/RDP) of an OS.",
   "checked": "2026-09-30"
  },
  "ssh": {
   "value": false,
   "source": "https://ferr.dev/",
   "quote": "launch a cloud browser ... await ferr.sessions.create({ stealth: true })",
   "note": "not offered: outside the product's scope — access is via CDP/Playwright/Puppeteer to a browser session, not SSH to a machine.",
   "checked": "2026-09-30"
  },
  "snapshot": {
   "value": "none",
   "source": "https://ferr.dev/",
   "quote": "Save cookies, local storage, and auth state to a profile and reuse it across sessions to stay logged in.",
   "note": "Browser Profiles persist auth/cookie state across sessions, but there is no mention of filesystem or memory snapshotting of a running session/process.",
   "checked": "2026-09-30"
  },
  "snapshot_auto": {
   "value": false,
   "source": "https://ferr.dev/",
   "quote": "Save cookies, local storage, and auth state to a profile and reuse it across sessions to stay logged in.",
   "note": "not offered: only profile-based cookie/storage persistence is described, not an automatic full session snapshot/restore.",
   "checked": "2026-09-30"
  },
  "snapshot_on_demand": {
   "value": false,
   "source": "https://ferr.dev/",
   "quote": "Save cookies, local storage, and auth state to a profile and reuse it across sessions to stay logged in.",
   "note": "not offered: no API/CLI snapshot or checkpoint mechanism is described; only saved profiles (cookies/local storage).",
   "checked": "2026-09-30"
  },
  "fork": {
   "value": false,
   "source": "https://ferr.dev/",
   "quote": "Ferr is an open-source browser API that lets you control fleets of browsers in the cloud.",
   "note": "not offered: no clone/fork-a-machine feature is described anywhere on the site.",
   "checked": "2026-09-30"
  },
  "fork_running": {
   "value": false,
   "source": "https://ferr.dev/",
   "quote": "Ferr is an open-source browser API that lets you control fleets of browsers in the cloud.",
   "note": "not offered: no fork feature at all, let alone forking a running session.",
   "checked": "2026-09-30"
  },
  "memory_snapshot_fork": {
   "value": false,
   "source": "https://ferr.dev/",
   "quote": "Ferr is an open-source browser API that lets you control fleets of browsers in the cloud.",
   "note": "not offered: no fork/snapshot feature described.",
   "checked": "2026-09-30"
  },
  "pause_resume": {
   "value": false,
   "source": "https://ferr.dev/",
   "quote": "Spin up disposable browsers for end-to-end tests and visual checks, then tear them down the moment you are done.",
   "note": "not offered: sessions are described as created and torn down, not paused/resumed with reduced billing.",
   "checked": "2026-09-30"
  },
  "wake_on_request": {
   "value": false,
   "source": "https://ferr.dev/",
   "quote": "launch a browser in one call Create a session, get a live browser in the cloud",
   "note": "not offered: sessions are explicitly created via an API call on demand; there is no described 'sleeping session' that wakes automatically on an inbound request.",
   "checked": "2026-09-30"
  },
  "persistent_disk": {
   "value": true,
   "source": "https://ferr.dev/",
   "quote": "Save cookies, local storage, and auth state to a profile and reuse it across sessions to stay logged in. Durable auth state. Reusable across runs.",
   "note": "Browser Profiles persist cookies/local-storage/auth state across session stop/start, functioning like persistent storage for the browser's own state.",
   "checked": "2026-09-30"
  },
  "volume_attach": {
   "value": false,
   "source": "https://ferr.dev/",
   "quote": "Ferr is an open-source browser API that lets you control fleets of browsers in the cloud.",
   "note": "not offered: outside the product's scope — no extra attachable block/file volumes are described; only browser profile storage.",
   "checked": "2026-09-30"
  },
  "volume_shared": {
   "value": false,
   "source": "https://ferr.dev/",
   "quote": "Ferr is an open-source browser API that lets you control fleets of browsers in the cloud.",
   "note": "not offered: outside the product's scope — no shared-volume-across-machines concept exists for a browser-session product.",
   "checked": "2026-09-30"
  },
  "live_resize": {
   "value": false,
   "source": "https://ferr.dev/",
   "quote": "Ferr is an open-source browser API that lets you control fleets of browsers in the cloud.",
   "note": "not offered: outside the product's scope — browser sessions have no described CPU/RAM sizing to resize; only concurrency/hour limits differ by plan.",
   "checked": "2026-09-30"
  },
  "agent_harnesses": {
   "value": false,
   "source": "https://ferr.dev/",
   "quote": "Ferr is an open-source browser API that lets you control fleets of browsers in the cloud.",
   "note": "not offered: outside the product's scope — Ferr provides browser sessions for agents to drive, not preinstalled coding-agent harnesses (Claude Code, Codex, etc.).",
   "checked": "2026-09-30"
  },
  "harness_api": {
   "value": false,
   "source": "https://ferr.dev/",
   "quote": "Ferr is an open-source browser API that lets you control fleets of browsers in the cloud.",
   "note": "not offered: outside the product's scope — no first-party API to drive a coding agent harness is described.",
   "checked": "2026-09-30"
  },
  "own_agent_api": {
   "value": false,
   "source": "https://ferr.dev/",
   "quote": "Pair Ferr with your model of choice for reliable extraction.",
   "note": "not offered: Ferr explicitly pairs with the customer's own AI/model (e.g. OpenAI) for extraction; it does not ship its own first-party research/browser task agent product.",
   "checked": "2026-09-30"
  },
  "lang_python": {
   "value": true,
   "source": "https://ferr.dev/",
   "quote": "First-class SDKs for Python and Node, with Rust and Go for systems teams — all wrapping one Sessions API.",
   "note": null,
   "checked": "2026-09-30"
  },
  "lang_node": {
   "value": true,
   "source": "https://ferr.dev/",
   "quote": "First-class SDKs for Python and Node, with Rust and Go for systems teams — all wrapping one Sessions API.",
   "note": null,
   "checked": "2026-09-30"
  },
  "public_ipv4": {
   "value": false,
   "source": "https://ferr.dev/",
   "quote": "Ferr is an open-source browser API that lets you control fleets of browsers in the cloud.",
   "note": "not offered: outside the product's scope — there is no customer-addressable machine with inbound ports; sessions are outbound browser instances you drive via API/CDP.",
   "checked": "2026-09-30"
  },
  "inbound_https": {
   "value": false,
   "source": "https://ferr.dev/",
   "quote": "Ferr is an open-source browser API that lets you control fleets of browsers in the cloud.",
   "note": "not offered: outside the product's scope — no inbound HTTPS URL to a customer service running in the session is described.",
   "checked": "2026-09-30"
  },
  "ingress_rules": {
   "value": false,
   "source": "https://ferr.dev/",
   "quote": "Ferr is an open-source browser API that lets you control fleets of browsers in the cloud.",
   "note": "not offered: outside the product's scope — no exposed inbound ports exist to control access to.",
   "checked": "2026-09-30"
  },
  "egress_http_rules": {
   "value": false,
   "source": "https://ferr.dev/",
   "quote": "Ferr is an open-source browser API that lets you control fleets of browsers in the cloud.",
   "note": "not offered: no method/path-level egress rule feature is described anywhere on the site.",
   "checked": "2026-09-30"
  },
  "guest_firewall": {
   "value": false,
   "source": "https://ferr.dev/",
   "quote": "Ferr is an open-source browser API that lets you control fleets of browsers in the cloud.",
   "note": "not offered: outside the product's scope — sessions are managed browser instances, not a root-accessible VM/microVM where the customer could configure nftables/iptables.",
   "checked": "2026-09-30"
  },
  "secret_proxy": {
   "value": false,
   "source": "https://ferr.dev/",
   "quote": "Save cookies, local storage, and auth state to a profile and reuse it across sessions to stay logged in.",
   "note": "No first-party HTTP credential-injection proxy is described; auth is handled via saved browser profiles (cookies/local storage), not a secret-injecting API proxy.",
   "checked": "2026-09-30"
  },
  "static_egress_ip": {
   "value": true,
   "source": "https://ferr.dev/",
   "quote": "Dedicated IPs — Route traffic through residential or dedicated addresses per project to keep long-running jobs stable. ... Dedicated IP add-ons",
   "note": "Pro plan lists 'Dedicated IP add-ons' and the platform section describes routing sessions through dedicated addresses per project, i.e. a fixed outbound IP.",
   "checked": "2026-09-30"
  },
  "gpu": {
   "value": false,
   "source": "https://ferr.dev/",
   "quote": "Ferr is an open-source browser API that lets you control fleets of browsers in the cloud.",
   "note": "not offered: outside the product's scope — Ferr is a headless-browser-session product, not a GPU compute provider; no GPU machines are advertised.",
   "checked": "2026-09-30"
  },
  "windows": {
   "value": false,
   "source": "https://ferr.dev/",
   "quote": "Ferr is an open-source browser API that lets you control fleets of browsers in the cloud.",
   "note": "not offered: outside the product's scope — no guest OS choice is offered; the product is a managed cloud browser (Chrome), not a Windows machine.",
   "checked": "2026-09-30"
  },
  "macos": {
   "value": false,
   "source": "https://ferr.dev/",
   "quote": "Ferr is an open-source browser API that lets you control fleets of browsers in the cloud.",
   "note": "not offered: outside the product's scope — no macOS machines are offered; the product is a managed cloud browser.",
   "checked": "2026-09-30"
  },
  "self_host": {
   "value": true,
   "source": "https://ferr.dev/blog/self-hosting-ferr-browser",
   "quote": "Ferr Browser is open source, and self-hosting it is a container away. ... docker run -p 3000:3000 ferr/browser",
   "note": null,
   "checked": "2026-09-30"
  },
  "byoc": {
   "value": false,
   "source": "https://ferr.dev/blog/self-hosting-ferr-browser",
   "quote": "Ferr Browser is open source, and self-hosting it is a container away. ... You keep the API surface and trade managed capacity for full control.",
   "note": "not offered: what's described is customer-operated self-hosting (you run and manage the container yourself), not a provider-managed deployment into the customer's own cloud account.",
   "checked": "2026-09-30"
  },
  "open_source": {
   "value": true,
   "source": "https://ferr.dev/",
   "quote": "Ferr is an open-source browser API that lets you control fleets of browsers in the cloud.",
   "note": "License name is not stated on the pages read (GitHub org page did not expose repo/license details); marketing consistently calls it open source with '4.3k stars' and a public docker image.",
   "checked": "2026-09-30"
  },
  "isolation": {
   "value": "container",
   "source": "https://ferr.dev/blog/self-hosting-ferr-browser",
   "quote": "docker run -p 3000:3000 ferr/browser",
   "note": "Ferr Browser ships and runs as a Docker container image; the cloud product is described as running 'the same browser that powers our cloud' via containers, implying shared-kernel container isolation rather than a VM/microVM boundary. No dedicated hypervisor/VM isolation is documented.",
   "checked": "2026-09-30"
  },
  "captcha_solving": {
   "value": false,
   "source": "https://ferr.dev/",
   "quote": "Managed fingerprints Automatic header hygiene CAPTCHA-aware flows",
   "note": "The site advertises Stealth Mode as 'CAPTCHA-aware', i.e. avoidance/fingerprinting to reduce CAPTCHA triggers, not an actual CAPTCHA-solving service. No CAPTCHA-solving API/feature is documented.",
   "checked": "2026-09-30"
  },
  "auto_stop_idle": {
   "value": true,
   "source": "https://ferr.dev/blog/why-we-built-inactivity-timeouts/",
   "quote": "A browser that nobody is driving is just a meter running. Inactivity timeouts close a session automatically when it goes quiet, so a crashed agent never leaves a browser open for hours.",
   "note": "Feature list on the same page: 'Close after a configurable idle period', 'Protect against runaway costs', 'Override per session when you need a long-lived browser'.",
   "checked": "2026-09-30"
  },
  "arm64": {
   "value": false,
   "source": "https://ferr.dev/",
   "quote": "Ferr is an open-source browser API that lets you control fleets of browsers in the cloud.",
   "note": "not offered: outside the product's scope — Ferr sells managed Chrome browser sessions via an API/SDK; there is no customer-selectable machine or CPU architecture (no VM/instance sizing is exposed at all).",
   "checked": "2026-09-30"
  },
  "usage_api": {
   "value": null,
   "source": "https://ferr.dev/",
   "quote": "Our new plans bill on browser hours — the time your sessions are actually open",
   "note": "granularity: account-only; cost: no; Ferr bills usage in browser hours per session, but no REST API, SDK method, or CLI command is documented to query billable usage programmatically. The pricing blog describes browser hours as the billing unit but does not mention any usage API endpoint or way to retrieve session-level metrics for billing purposes. Documentation site (docs.ferr.dev) failed DNS. The product's status is unverifiable; actual endpoints (docs, app, GitHub repos) do not exist or are non-functional.",
   "confidence": "low",
   "checked": "2026-10-01"
  },
  "persist_scope": {
   "value": "profile",
   "source": "https://ferr.dev/",
   "quote": "Save cookies, local storage, and auth state to a profile and reuse it across sessions to stay logged in. Durable auth state. Reusable across runs.",
   "note": "Only a saved browser profile (cookies, local storage, logins) carries over; no files survive.",
   "checked": "2026-10-01"
  }
 },
 "locations": [],
 "locations_source": "https://ferr.dev/",
 "locations_quote": "Official landing provides pricing/features, but docs.ferr.dev failed DNS and /docs returned 404. The product endpoints (docs, app, GitHub, PyPI, Docker) don't exist.",
 "locations_checked": "2026-10-01"
}