Search arXiv papers | Vextorium
Search scientific papers on arXiv (AI, physics, maths, economics...): title, authors, abstract, categories, dates and PDF link; by relevance or newest, with category filter (cs.AI, cs.CR, q-fin...).
- Category
- Social & people
- Starting price
- $0.001
- Paid calls · 30 days
- 1.3K
- Unique payers · 30 days
- 934
Paid endpoints
230 endpoints, sorted by usage. Prices are per request.
- POST/v1/eu-electricity-prices
Average household electricity price (2,500-5,000 kWh/year band) in EUR/kWh by European country, with or without taxes: ranking or half-yearly evolution of one country. Official Eurostat data.
$0.003Base4calls / 30d - POST/v1/eu-government-deficit
Annual government deficit (-) or surplus (+) as % of GDP for any European country; without a country, a ranking. Official Eurostat data.
$0.003Base4calls / 30d - POST/v1/exploited-vulnerabilities
Vulnerabilities being actively exploited according to CISA's KEV catalog: CVE, vendor, product, name, description, date added, remediation due date and ransomware use; the latest N days or search by vendor/product (Microsoft, Cisco, Fortinet...).
$0.003Base4calls / 30d - POST/v1/summarize
Summary or analysis of any text with local AI (Qwen3), in the same language as the text; follows your instruction if you add one (e.g. 'list the key points'). Up to 12,000 characters. Text is processed in memory and not stored.
$0.01Base4calls / 30d - POST/v1/extract-structured-data
Structured data extraction with local AI: give a text and a list of field names, get a JSON object with those fields (null when absent).
$0.008Base4calls / 30d - POST/v1/translate
Translate text to any language with local AI (Qwen3-4B), preserving formatting, names and numbers; detects the source language.
$0.008Base4calls / 30d - POST/v1/market-sentiment
Market sentiment of any text (news, posts, tweets; any language) via local AI (Qwen3-4B): bullish / bearish / neutral, score -1 to 1, confidence, mentioned assets and a short reason.
$0.006Base4calls / 30d - POST/v1/classify-text
Zero-shot text classification with local AI: pick the best label (or several) from your own list, with confidence and reason.
$0.005Base4calls / 30d - POST/v1/json-schema-generate
Generate a JSON Schema (draft 2020-12) from an example JSON: types, properties, arrays, required fields and formats (date, date-time, email, uri). For API docs, tool definitions and output validation.
$0.003Base4calls / 30d - POST/v1/json-schema-validate
Validate JSON data against a JSON Schema (drafts 4 to 2020-12, with format checks): valid flag and every error with its exact path and failing rule. Check API responses or LLM structured output.
$0.003Base4calls / 30d - POST/v1/loan-liquidation-price
Collateralized DeFi loan (Aave/Compound style): health factor, current LTV, collateral liquidation price, drop it can withstand, extra borrowing room and how much to repay or add to reach a 1.5 health factor.
$0.003Base4calls / 30d - POST/v1/revoke-approval
Build the transaction that revokes a contract's permission over an ERC-20 token (approve(spender, 0)): target and calldata ready to sign in your wallet. Nothing is sent.
$0.003Base4calls / 30d - POST/v1/solana-signature-verify
Verify an Ed25519 Solana signature (Phantom/Solflare signMessage) for a message and public key; signature in base58, base64 or hex. Local computation.
$0.003Base4calls / 30d - POST/v1/spain-bank-account-validate
Validate a Spanish bank account number (20-digit CCC) with both check digits, identify the bank and compute its IBAN; also breaks down a Spanish IBAN. Computed locally; nothing stored.
$0.003Base4calls / 30d - POST/v1/spain-social-security-validate
Validate a Spanish Social Security affiliation number (12 digits: province, number, control) and return the province of registration. Computed locally; nothing stored.
$0.003Base4calls / 30d - POST/v1/text-extract-numbers
Extract and normalize every number in a text: amounts with currency (€, $, USDC, BTC...), percentages, multipliers (k, million, bn) and plain figures, understanding both 1.234,56 and 1,234.56, with totals per currency.
$0.003Base4calls / 30d - POST/v1/timezone-by-coordinates
IANA time zone of any point on Earth from its coordinates, computed locally, with the current local time there, UTC offset and daylight saving flag.
$0.003Base4calls / 30d - POST/v1/us-debt-avg-interest
Average interest rate the US Treasury pays on its debt by instrument (bills, notes, bonds, TIPS, FRNs...) and total, with the rate one year earlier. US Treasury, public domain.
$0.003Base4calls / 30d - POST/v1/us-treasury-auctions
US Treasury debt auctions (bills, notes, bonds, TIPS, FRNs): upcoming announced auctions or recent results with term, offering amount, high yield and bid-to-cover demand. Official Fiscal Data.
$0.003Base4calls / 30d - POST/v1/us-treasury-fx-rates
Official US Treasury reporting rates of exchange (quarterly) for about 170 currencies against the US dollar, including many the ECB does not publish (Argentine peso, naira, bolivar...), with history per country.
$0.003Base4calls / 30d - POST/v1/book-info
Book data by ISBN (10 or 13) or search by title and author on Open Library: title, authors, publisher, year, pages, languages, subjects, cover and links.
$0.002Base3calls / 30d - POST/v1/europe-power-prices
Wholesale day-ahead electricity price in a European country or zone (DE, FR, ES, PT, IT, NL, BE, AT, PL, CH, Nordics...) for today or a given day: hourly EUR/MWh, average, max, min and cheapest and most expensive hours. Use «todos» to compare the daily average across countries.
$0.003Base3calls / 30d - POST/v1/spain-boe-item
Official data of any Spanish BOE item (rank, department, dates, subjects, repeal status) plus a clear AI summary in Spanish from a local model: what it is, who it affects, what it establishes and its deadlines.
$0.01Base3calls / 30d - POST/v1/us-crypto-regulation
Latest official US government documents that affect crypto and markets: SEC press releases, litigation releases, statements and speeches, CFTC press releases, White House news and presidential actions. Filter by crypto relevance, source, keyword and days; optional 2-3 sentence AI summary of each document (Spanish or English). Public-domain sources with links to the originals.
$0.02Base3calls / 30d - POST/v1/portfolio-valuation
Value a crypto portfolio such as {"BTC": 0.1, "ETH": 2}: current value and weight of each holding and total; with a start date, its value then, return, annualized volatility and maximum drawdown. Prices from DefiLlama.
$0.005Base2calls / 30d - POST/v1/eip712-review
Explain an EIP-712 typed-data signature before signing it: x402/EIP-3009 payment authorizations, EIP-2612 permits, Permit2 and Seaport orders. Flags unlimited allowances, long validity and non-official tokens, and returns the exact hash to compare with your wallet.
$0.005Base2calls / 30d - POST/v1/csv-clean
CSV cleaning and normalization to JSON: column names, types, duplicates and empty values. Data is processed in memory and not stored.
$0.02Base2calls / 30d - POST/v1/us-federal-register
Search the US Federal Register (official public-domain government record) by topic: proposed rules, final rules, notices and presidential documents, with agency, publication date, abstract and official link. Filter by type and recency. Complements SEC/CFTC RSS tracking.
$0.02Base2calls / 30d - POST/v1/filing-summary
AI summary of a company's latest filing (default the latest 8-K material event, including its press-release exhibit): headline, key points, literal key figures and tone, in the language you choose. Local AI (Qwen3-4B).
$0.01Base1calls / 30d - POST/v1/random
Randomness for agents: flip coins, roll dice, draw numbers in a range, pick from a list or shuffle it. Cryptographically secure by default; with verifiable=true it is derived from the latest public NIST Randomness Beacon pulse and your seed, so anyone can verify the result.
$0.003Base0calls / 30d