All projects on Base matching “numbers”

South African SA ID number validation: Structural validation of a South African identity number with safe decode: Luhn check digit, birth date, gender and citizenship segments (citizen or permanent resident). The structural step in KYC, KYB and customer onboarding or due diligence workflows: derive date of birth, age, gender and citizenship without storing the identity. Run it before a paid regist

사업자등록번호를 넣으면 국세청 기준 사업자 상태(계속·휴업·폐업), 과세유형, 폐업일을 돌려줍니다. 한 번에 최대 100건, 인증키 불필요. Korea business registration status check: given Korean business registration numbers (사업자등록번호), returns the National Tax Service (NTS) status (active / suspended / closed), VAT taxpayer type and closure date, up to 100 numbers per call. Source: NTS via data.go.kr. (sample input)

Send one SMS to a mobile number, paid per message in USDC with x402. Use it when an agent must notify a person by text. The 402 quotes the exact price for the destination and message length. No account and no API key: any wallet that pays sends in one call. An opt-out link is appended to the message, and numbers that opted out are refused. Returns an order; poll GET /v1/orders/{id} for delivery st

Generate a finished, professional invoice PDF from JSON — recipient and line items in, a ready-to-send application/pdf out. Layouts: standard, legal, creative. Totals and tax are computed server-side so the numbers always add up. First payment auto-creates a wallet profile (token + API key in response headers); returning wallets get sequential invoice numbering and can save a sender letterhead. US

Current FAA registration and change history for one US aircraft by tail number (N-number).

Random Number Generation Service - Returns a random number within the specified range

EU VAT number validation via official VIES (all 27 EU states + XI): valid/invalid, name, address, consultation (proof) number

Jev Decision ($0.005/call): Ask Jev (TypeSafe System One) typed questions about one state and get numbers back, not text: noul answers the probability a yes/no is yes; choice picks an option with a probability for every option; score places the state on an ordered scale of levels with a probability for every level. Same body and answer as TypeSafe's POST /v1/systemone (model optional, state as tex

Company legal-entity lookup from the global LEI system (GLEIF). Send a company name or a 20-character LEI; returns legal name, LEI, status, jurisdiction, legal form, registration number, addresses, the first record's direct and ultimate parents, found or unknown, and provenance (source URLs, retrieval times, SHA-256). Use for know-your-business checks and group-structure questions. Companies only.

US Congress bill status from the official GPO GovInfo BILLSTATUS bulk XML (the GovTrack API it replaces has closed): title, sponsor, introduced date, latest action and official congress.gov link for one bill by congress, bill type and number. Covers congresses with BILLSTATUS files (119 at test time).

Use when the user asks about a specific Dutch home or address before renting, buying or moving: full English report with year built, floor area, energy label, crime vs national rate, noise, air quality (NO2, PM2.5), ground height, monuments, permits, schools, 18 amenity distances, neighbourhood income and home values. Input: postcode + house number. Sources: Kadaster, CBS, Politie, RIVM, RVO.

Offline structural validator for an Indian CIN (Corporate Identity Number, 21 characters). Parses and checks: listing status letter (L/U), 5-digit NIC industry code, 2-letter state code (against the known MCA state-code list), 4-digit incorporation year (plausible range), 3-letter company-type/ownership code (against a known enum like PLC, PTC, OPC, GOI, NPL, FTC, SGC, ULL, ULT), and 6-digit regis

Get one Polymarket versus Kalshi gap card with the topic, both yes prices, gap cents, a fee-adjusted net edge, buy and sell venues, and a suggested action. The fee-adjusted net edge is the number a trading wallet acts on. $0.25 USDC. Inline JSON. Includes a signed Ed25519 receipt you can check with the published key.

List all 195 countries covered by the GlobalRules country-facts API, returned as ISO 3166-1 alpha-2 codes with country names. Use this endpoint first to discover which countries you can query for practical travel and business facts such as VAT rates, public holidays, tipping customs, power plugs, emergency numbers and visa rules (58 topics per country). Designed for AI agents, travel planners and

Takes two documents, by URL, inline base64 or raw text, extracts the text of each and compares them. Paragraphs are the unit: the answer lists every block that was removed, added, or kept but reworded, and for reworded blocks it names the individual words that went and came, so a single changed number in a long clause is visible instead of the whole clause being flagged. Alongside the content diff

Parse and validate a Thai postal address: split it into house number, moo, village, building, soi, road, subdistrict (ตำบล/แขวง), district (อำเภอ/เขต), province and postcode; match the areas to official names (fixing typos, 'อ.เมือง', กทม.); check the postcode against the subdistrict; and return the address formatted in Thai and English for shipping forms. Body: {"text": "99/1 ม.4 ต.ยางเนิ้ง อ.สาร

Look up a product barcode number: identify and validate EAN-13, EAN-8, UPC-A, UPC-E, GTIN-14, ISBN-13/10, ISSN and ISMN codes (wrong check digits are reported with the correct digit), convert between forms (GTIN-14, EAN-13, UPC-A, ISBN-10 <-> 13) and decode the GS1 prefix. Then fetch product data from open databases: name, brand, quantity, categories, image, labels, Nutri-Score (food, cosmetics, p

Fee inputs for the next transaction: gas ladder for Base or Ethereum (slow/normal/fast, priority fee, max fee, EIP-1559 base fee) or the priority-fee ladder for Solana, plus the native token price. One call for the numbers a transaction builder needs.

Twenty-Four daily math puzzle — four numbers to combine into exactly 24; deterministic solvable UTC daily challenge for agent reasoning benchmarks.

For an investment theme (e.g. HBM, 유리기판, 원전, robotics), the Korean listed companies linked to it with evidence graded confirmed / circumstantial / expectation: DART filing snippets with receipt numbers, regional revenue, earnings and order headlines, and price context since the signal. Separates real revenue from theme hype.

Live crypto prices: USD spot for BTC, ETH and SOL in one call, fetched per call (not cached), so the figure is the number right now. A cheap, high-frequency data lane for x402 buyers budgeting in the unit they pay with. Sourced from public feeds (Coingecko primary, Kraken fallback).

High-speed single-pass state machine microservice that deterministically repairs cut-off and truncated JSON streams from LLMs (e.g., max_tokens cut-offs or live SSE chunks). Automatically closes unterminated strings, completes partial literals (tru/fals/nul) and numbers, resolves dangling keys/colons, strips markdown fences, and balances nested containers in LIFO stack order with optional progress

Validate an NZ bank account number check digit (IRD algorithms A-G/X), normalise BB-bbbb-AAAAAAA-SSS and identify the bank code

The answer, not the inputs. One call returns a stance for the coin — risk-on, risk-off, fragile or neutral — built from funding and open interest percentiles, sentiment, options implied volatility, the macro regime and what it costs to execute at your size. Every driver comes back with its number and its reading, plus the conditions that would invalidate the call. The rules are deterministic: the

CoverBureau: pay-per-call compliance checking for US certificates of insurance (ACORD 25). Needs NO document: give an NAIC number or carrier name plus a state, and get recognition status, financial-strength rating, and whether it meets your threshold. Use it when you have a carrier but no certificate; validate_coi already checks the carrier when you do. Carrier data is a seed dataset; each respons

Get the full record of one of the NSW development applications by its Planning Portal application number (PAN). Returns every location with lot and plan, all development types, submission, lodgement, determination and exhibition dates, cost, dwellings, storeys, lots and the remaining source fields. Costs $0.005 per call (x402, USDC on Base). Source: NSW Department of Planning, Housing and Infrastr

Use when an agent must verify a company (KYC/KYB, supplier or invoice check): official legal name, address, legal form, active/dissolved, LEI, register number, VAT validity. Search by name= (+country=), id=, lei= or vat=. GLEIF worldwide plus official national registers: FR, NO, FI, LV, IE, GB, US, EE, TW, HK, SG, AU – also firms without LEI. Source named in every answer. Bad input: HTTP 400 befor

Belgian company lookup in the official KBO/BCE Crossroads Bank for Enterprises (Daily data) by enterprise number (0417.497.106 or BE0417497106) or company name. Returns legal name, status, legal form, start date, registered address, NACE activities and website in a schema shared across countries.

Use this to check a draw independently: recomputes the SHA-256 of a revealed server_seed against its hash, and the numbers of a swoge-hmac-sha256-v1 draw, or the 52-card shoe of a SWOGE casino hand (scheme swoge-casino-shoe with its nonce). Price: $0.003 in USDC on Base or Solana, or $0.02 in USDG or $SWOGE on Robinhood Chain (tool price + settlement cost, minimum $0.02).

France: French company verification (KYB) by SIREN in one call. Legal identity, intra-EU VAT number checked live in VIES, active/closed status, age, activity, headcount, establishments, insolvency proceedings from BODACC (safeguard, receivership, liquidation, closure), RGE/Qualiopi labels. Returns an explained verdict (favorable / vigilance / unfavorable) with stable, sourced signal codes. Officia