Discover / x402.professorsausages.com

Multi-Source News

■ Challenge detected

Newest headlines from a deduped, tiered 972-feed direct portfolio (primary sources + wires/majors + trade press + Hacker News + gated GDELT), newest first, up to 100 per call — filter by category, source, and language; every article carries tier, categories, summary/author/image when present, and a provenance-labelled tone

Listed price
$0.02
Challenge detected
9 of the last 9 checks
Median response
344 ms
Last checked
16 Oct, 18:49 UTC
In our index since
26 Sept 2026

Endpoint

curl -i https://x402.professorsausages.com/news/headlines
# 402 Payment Required: pay with an x402 client (USDC on Base),
# then send the same request again with the payment attached.
42 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://x402.professorsausages.com

  • GET/gas-oracle/:chain/blob$0.002EIP-4844 blob-gas market (Ethereum L1)
  • GET/nft/:chain/wallet/:address$0.01Wallet NFT portfolio (first 100 items + honest truncation, spam flags, rollup) — cached ≤24h
  • GET/ipo-calendar/company/:cik$0.005Full EDGAR offering timeline for one issuer — registration, amendments, EFFECT, 8-A12B and 424(b) with parsed terms
  • GET/sfx/generate$0.03Deterministic 8-bit SFX synthesis from a preset + seed — base64 WAV plus the reproducible SFXR parameter block
  • GET/news/crypto$0.02Top Crypto/NFT News — HIGH-SIGNAL only: hacks/exploits, launches & mainnets, NFT drops/mints, regulation/ETF/legislation, the majors, funding/partnerships; price-prediction/TA chatter and shilling filtered out. Newest first, `since` to poll, `limit` to page; no search.
  • GET/gas-oracle/:chain/estimate$0.002USD cost of a specific tx incl. OP-stack L1 data fee
  • GET/13f-holdings/top$0.02Largest 13F managers for a quarter by total reported value — institutional leaderboard and discovery surface
  • GET/sfx/mutate$0.03Mutate a known-good seed's sound (classic sfxr mutate) — nearby variations by parameter perturbation
  • GET/sanctions-screen/changes$0.02Every OFAC SDN/Consolidated addition, removal and record change observed in the rolling log, newest first, with the coverage start date so an empty answer is unambiguous
  • GET/domain-intel/domain/:domain/live$0.015Domain registration card — always fetched fresh
  • GET/news/headlines$0.02Newest headlines from a deduped, tiered 972-feed direct portfolio (primary sources + wires/majors + trade press + Hacker News + gated GDELT), newest first, up to 100 per call — filter by category, source, and language; every article carries tier, categories, summary/author/image when present, and a provenance-labelled tone
  • GET/nft/:chain/collection/search$0.002Collection search by name — top ~10 matching contracts with links into every other endpoint; ALWAYS live
  • GET/company/:idOrTicker/financials$0.005As-reported financial highlights from SEC XBRL — assets, liabilities, equity, revenues, net income, and cash for one company
  • GET/nft/:chain/wallet/:address/scam-exposure$0.01Wallet scam exposure: verdict + per-holding evidence (spam flags, copymint collisions) — cached ≤24h
  • GET/news/timeline$0.03Volume of matching headlines over time (hour/day buckets) plus average sentiment per bucket with its provenance (GDELT document tone vs local lexicon, never a silent null) — a local sentiment timeline over the retained multi-day archive
  • GET/insider-trades/recent$0.02Latest SEC Form 4 insider trades market-wide — every filing from the last N days, fully normalized (issuer, owner + role, code, shares, price, USD value, post-trade holdings), newest first; filter by transaction code, minimum USD value, and insider role
  • GET/ipo-calendar/withdrawn$0.02IPO registration withdrawals (Form RW) with time-in-registration — the market risk-sentiment tape

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

Showing 17 of 42 listed endpoints. First endpoints

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/x402.professorsausages.com

Recent checks

3 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, 18:49 UTCChallenge detected402309ms
15 Oct, 11:37 UTCChallenge detected402617ms
14 Oct, 00:19 UTCChallenge detected402589ms
12 Oct, 00:34 UTCChallenge detected402395ms
10 Oct, 10:04 UTCChallenge detected402285ms
9 Oct, 06:42 UTCChallenge detected402275ms
8 Oct, 03:32 UTCChallenge detected402250ms
7 Oct, 00:45 UTCChallenge detected402511ms
3 Oct, 17:05 UTCChallenge detected402344ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 16 Oct, 18:49 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 Multi-Source News?

Its listed price is $0.02.

What payment terms does Multi-Source News advertise?

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

Where is Multi-Source News listed?

In x402 Bazaar and x402-list.com. Superstables first indexed it on 26 Sept 2026.

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