Discover / preipo-feed.vercel.app

PreIPO Feed by Aaron Zhang

■ Challenge detected

OpenAI pre-IPO fundamentals as JSON: FY2025 revenue, monthly revenue, ChatGPT users and subscribers, March 2026 round size and post-money valuation, new round target and valuation in talks, SoftBank bond financing and stake, valuation-to-run-rate multiple. Each number has its own source URL, verification grade and value type.

Listed price
$0.01
Challenge detected
9 of the last 9 checks
Median response
85 ms
Last checked
16 Oct, 13:59 UTC
In our index since
2 Oct 2026

Endpoint

curl -i https://preipo-feed.vercel.app/preipo/openai/financials
# 402 Payment Required: pay with an x402 client (USDC on Base),
# then send the same request again with the payment attached.
7 listed endpoints · on x402 Bazaar

Checks and payment terms on this page refer to the endpoint above. Other listed endpoints have not been checked individually.

Base URLhttps://preipo-feed.vercel.app/preipo

  • GET/funding-roundsNo price listedAI lab funding rounds and valuations as JSON (OpenAI, Anthropic): round size, post-money valuation, rounds in talks, employee tender offers, IPO valuation targets, strategic investor commitments. Each row keeps its source URL, verification grade (primary/secondary/reported) and value type.
  • GET/openai/financialsNo price listedOpenAI pre-IPO fundamentals as JSON: FY2025 revenue, monthly revenue, ChatGPT users and subscribers, March 2026 round size and post-money valuation, new round target and valuation in talks, SoftBank bond financing and stake, valuation-to-run-rate multiple. Each number has its own source URL, verification grade and value type.
  • GET/anthropic/ipoNo price listedAnthropic IPO data as JSON: filing status (confidential draft S-1), expected timing and listing window, target valuation range, expected proceeds, lead underwriters, last private round (Series H) size and valuation, run-rate revenue, valuation multiples, dated timeline. Each item has its own source URL and verification grade.
  • GET/onchain-vs-privateNo price listedOn-chain pre-IPO perps vs private valuation, live: OpenAI and Anthropic perpetuals on Hyperliquid HIP-3 (EntropyIO io:OAI, io:ANTH) converted to implied company valuation, set against the last private round post-money and the IPO valuation target. Premium/discount, funding, open interest, 24h volume; each private anchor keeps source and grade.
  • GET/compare/openai-anthropicNo price listedOpenAI vs Anthropic side by side as JSON: full-year revenue, latest revenue run-rate, last private round and post-money valuation, IPO status and valuation target, compute obligations, cash, and valuation-to-run-rate multiples. Every value keeps its source URL, verification grade and value type; gaps are listed.
  • GET/openai/ipoNo price listedOpenAI IPO data as JSON: confidential S-1 filing status and announcement date, reported 2027 listing expectations, Sam Altman ruling out a 2026 IPO, latest verified private funding round committed capital and post-money valuation, banks reported working on filing preparation (not confirmed underwriting mandates), and dated timeline. Each factual item has a source reference and verification grade; uncertain dates and unverified figures are omitted.
  • GET/anthropic/financialsNo price listedAnthropic pre-IPO fundamentals as JSON: FY2025 revenue and May 2026 run-rate revenue, operating expenses, operating and net loss, compute and infrastructure spend, compute obligations, cash and short-term investments, top-customer revenue share, compute cost per revenue dollar. Each number has its own source URL, verification grade and value type (approx, lower bound, exact, derived).

A dash means the listing gives no price or method. Copy buttons copy the full URL.

Showing 7 of 7 listed endpoints.

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/preipo-feed.vercel.app

Recent checks

2 Oct 2026One bar per check, showing up to 20 recent checks. Coloured bars show relative response time, with a minimum visible height; full-height grey bars mean no challenge was detected. “Challenge detected” means HTTP 402 or another detected payment-challenge signal.16 Oct 2026
All 9 checks
When (UTC)ResultHTTPResponse
16 Oct, 13:59 UTCChallenge detected40269ms
15 Oct, 08:20 UTCChallenge detected40285ms
14 Oct, 00:19 UTCChallenge detected40256ms
12 Oct, 00:34 UTCChallenge detected40287ms
10 Oct, 10:04 UTCChallenge detected40270ms
9 Oct, 03:33 UTCChallenge detected40263ms
8 Oct, 00:44 UTCChallenge detected402157ms
6 Oct, 21:30 UTCChallenge detected40285ms
2 Oct, 05:04 UTCChallenge detected4021161ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 16 Oct, 13:59 UTC, it returned HTTP 402 or another detected payment-challenge signal. This check did not test payment, delivery or compatibility with the Superstables client.

What price is recorded for PreIPO Feed by Aaron Zhang?

Its listed price is $0.01.

What payment terms does PreIPO Feed by Aaron Zhang advertise?

The listing advertises x402, Base, Base Sepolia and USDC. It names cdp as its facilitator. Check the seller's current payment challenge and authentication requirements before paying.

Where is PreIPO Feed by Aaron Zhang listed?

In x402 Bazaar. Superstables first indexed it on 2 Oct 2026.

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