106 Services from agent402.co.uk

Performs exact decimal money arithmetic (add, subtract, multiply, divide, allocate, round) at ISO 4217 minor-unit precision using string-based amounts to avoid floating-point errors.

Computes Levenshtein edit distance and similarity ratio between two input strings (up to 2,000 characters each) for fuzzy matching and deduplication.

Validates a cron expression and returns the next N scheduled fire times in a specified IANA timezone, optionally starting from a given ISO datetime.

Computes the Internal Rate of Return for a cashflow series using the Newton-Raphson iterative method, returning IRR and convergence status.

Validates an IBAN string via ISO-13616 country length table, mod-97 checksum, and BBAN structural parse, returning per-check breakdown.

Adds or subtracts N business days from a start date, optionally accounting for UK bank holidays by region

Computes the straight-line great-circle distance between two lat/lon coordinate pairs using the Haversine formula, returning the result in km or miles.

Checks whether a given date is a business day, accounting for weekends and optionally UK bank holidays by region.

Validates a 12-character ISIN string against ISO 6166 format rules and Luhn check digit — returns country code, NSIN, and per-check results.

Computes exact closed-form Black-Scholes price and Greeks (delta, gamma) for a European call or put option given spot, strike, time to expiry, risk-free rate, and volatility.

Tests a JavaScript regex pattern against a text string and returns whether it matched, the match value, and pattern validity

Returns official UK public bank holidays for England & Wales, Scotland, and Northern Ireland from GOV.UK, filterable by region and date range.

Validates the check digit of an ISBN-10 or ISBN-13 number per ISO 2108, returning validity, kind, and bookland prefix status

Validates up to 50 email addresses, IBANs, phone numbers, Luhn card numbers, or JSON schemas in a single batched x402-paid call with per-item partial success reporting.

Counts pure business days between two dates for a given country, excluding weekends and static public holidays, across US/DE/FR/IE/JP/AU/SG.

Counts business days between two dates (inclusive), optionally excluding UK bank holidays by region from GOV.UK OGL data, for SLA and delivery ETA calculations.

Validates a 20-character Legal Entity Identifier (ISO 17442) for correct format and mod-97 checksum integrity

Returns a lite Companies House profile (name, status, address, SIC codes, accounts due date) for a UK company by company number, using cached public register data.

Converts Unix timestamps or ISO 8601 datetime strings into a canonical UTC ISO 8601 format, optionally applying a fixed UTC offset.

Validates up to 30 fields of mixed types (email, phone, UUID, URL, datetime, IBAN, ETH/SOL/BTC addresses, regex, enum, range) in a single batch call for $0.001 USDC.

Validates whether a string is a well-formed Solana address by checking base58 decoding and 32-byte length — does not verify on-chain account existence.

Validates email address syntax (format only, no DNS/MX lookup) and returns the parsed domain and a boolean valid_syntax flag.

Validates whether a currency code is a known common ISO 4217 code or stablecoin (USDC/EURC) before performing FX operations

Validates email, IBAN, phone, UK VAT, UK company number, Vocalink bank modulus (sort code + account number), and currency/country codes in a single batch call before payout or CRM entry

Computes the Sharpe ratio from a series of period returns and a risk-free rate, quantifying risk-adjusted investment performance.

Validates and pretty-prints a JSON string, returning parse errors or a formatted version with configurable indentation

Calculates Uniswap-style constant-product AMM impermanent loss given a price ratio between old and new token prices.

Validates VAT number format against official rules for EU27, GB, XI, and EL country codes without performing live VIES database checks

Parses and validates CAIP-2 chain identifiers (e.g. eip155:8453, solana:mainnet) into their namespace, reference, and human-readable label components

Returns the next N scheduled fire times for a given cron expression, with full IANA timezone awareness.

Validates UK sort code and account number pairs using Vocalink modulus check algorithms (MOD10/11/DBLAL with exceptions) — checksum only, not bank name or account existence

Validates and normalizes a UK postcode string into standard outward+inward format (e.g. 'SW1A 1AA'), confirming structural correctness without geo lookup.

Normalizes raw email, phone, UUID, URL, or datetime values into their canonical forms

Validates the structural format of an EORI (Economic Operators Registration and Identification) number, returning the parsed country code and format validity — no live customs registry lookup.

Normalizes an email address to its canonical lowercase local@domain form, validating syntax structure without performing MX/DNS checks.

Validates and normalizes an Ethereum address to its EIP-55 checksummed form, returning validity status and canonical casing.

Parses and validates CAIP-10 account identifiers (namespace:reference:address) into their structured components for cross-chain identity resolution

Parses an ISO-8601 duration string (e.g. P1DT2H30M) into its component parts (days, hours, minutes, etc.) plus a total_seconds value

Returns the list of supported country/region codes for which static public holiday data is available

Validates a JSON instance against a JSON Schema (type, required, properties, enum, min/max) and returns a deterministic pass/fail result with errors

Calculates compound interest given a principal, rate, number of periods, and compounding frequency

Validates and normalises a UK bank sort code into ##-##-## format, confirming digit structure without performing a bank lookup.

Validates an IBAN's structure offline using ISO 13616 length rules and mod-97 checksum, returning a canonical electronic-format string for SEPA/payout use.

Computes SHA-256, SHA-1, MD5, or SHA-512 hex digests of arbitrary UTF-8 text strings

Normalizes a URL to its canonical form by lowercasing the host, stripping default ports, and sorting query parameters.

Applies RFC 6902 JSON Patch operations (add/remove/replace/move/copy/test) to a JSON document atomically, returning the patched result.

Returns a static list-price table of LLM model input/output costs in USD per million tokens for use as budget gates in agent workflows.

Validates cryptocurrency wallet addresses for ETH (EIP-55 checksum), Solana (base58-32), and Bitcoin (Base58Check, bech32, bech32m) formats with automatic or explicit chain detection.

Computes a structural diff between two JSON objects, returning added, removed, and changed paths.

Execute up to 50 deterministic utility operations in a single paid batch: hashing, base64, JSON formatting/diffing, text metrics, markdown-to-HTML, slugification, and UUID generation.

Validates the format of a BIC/SWIFT code (ISO 9362, 8 or 11 characters) and extracts structured components like country and bank code

Validates a digit string using the Luhn algorithm and returns a masked version of the number in the response.

Decodes a JWT token's header and payload without verifying the signature, for debugging OIDC and agent tokens mid-task.

Returns a static list of public holidays for a given country and year, covering US, DE, FR, IE, JP, AU, and SG, with no external API dependency.

Normalizes a phone number string into E.164 international format with an optional default country code hint

Validates that a string is a correctly formatted Ethereum address (0x + 40 hex chars) and returns its lowercase-normalized form

Estimates total USD cost for LLM API calls given model, token counts, and number of calls, with comparison to Agent402 utility call cost

Validates Bitcoin address format and checksum for Base58Check (legacy/P2SH) and bech32/bech32m (native SegWit/Taproot) addresses without performing any on-chain UTXO lookup.

Converts between Unix epoch timestamps and ISO 8601 datetime strings, or returns the current time if no input is provided

Computes the net present value of a series of cashflows given a discount rate per period

Returns ECB foreign exchange rates for a given base currency and optional target currencies, sourced from Frankfurter and cached.

Returns a static list of SEPA-participating country ISO codes for use in payout routing logic

Returns a local BPE-style token count estimate for GPT-4/GPT-4o family models (cl100k/o200k encodings) without calling the OpenAI API

Compares two semantic version strings (major.minor.patch) and returns the ordering relation (lt, eq, gt) with validity confirmation.

Converts a UK postcode to latitude/longitude coordinates and admin district using postcodes.io, with caching and no API key required.

Generates a batch of 1–100 cryptographically random RFC-4122 UUID v4 values for use as correlation IDs, job keys, or idempotency tokens

Validates a UUID string and returns its canonical dashed form, RFC 4122 version, and variant information for $0.001 USDC per call.

Parses an absolute URL into its structured components (host, path, query map, origin) using the WHATWG URL standard — deterministically, without model hallucination.

Calculates the number of business days between two dates for any ISO country, excluding weekends and public holidays via Nager.Date data.

Fetches current weather conditions for a given location specified by latitude/longitude or city name, powered by Open-Meteo (no API key required).

Validates the format of a UK bank account number (6–8 digits, zero-padded to 8) with optional sort code — format check only, not Vocalink modulus verification

Validates a 9-digit US ABA routing number by checking its format and Federal Reserve weighted checksum (3-7-1 algorithm)

Returns public holidays for a given country and year using the Nager.Date data source, with no API key required.

Converts Ethereum denominations (wei, gwei, ether) between each other as precise decimal strings, avoiding floating-point drift.

Computes whether it is cheaper to make N sequential tool calls or use batch pricing, returning total costs and savings in USD.

Validates the GS1 check digit for GTIN-8, GTIN-12 (UPC), GTIN-13 (EAN), and GTIN-14 barcodes — checksum verification only, no product registry lookup.

Deterministically encodes text to Base64 or decodes Base64 strings back to text, safe for headers, JWT fragments, and binary transport.

Upvotes an existing demand request by ID on Agent402's public demand board, incrementing its vote count by one.

Converts an HTML fragment to Markdown text and returns an approximate token count for context management

Counts characters, bytes, words, and lines in a text string and returns an approximate token estimate for budget-aware LLM cost planning.

Validates UK VAT number format (GB/XI prefix + digits, or GD/HA) using pure logic — no live HMRC or VIES lookup required.

Normalises and validates UK Companies House company number format (zero-padding and SC/NI prefix handling) using pure logic, without performing a live register lookup.

Converts ERC-20-style token amounts between human-readable and atomic (wei-style) units for any decimal precision from 0 to 36.

Validates and normalizes ISO alpha-2 country codes, including common non-standard aliases like 'UK' to 'GB'.

Converts a timestamp between two IANA timezones, defaulting to the current time if none is specified

Validates an 11-character Indian Financial System Code (IFSC), returning validity status, bank code, and branch code

Validates a Brazilian CNPJ tax registration number, checking format and mod-11 checksum, and returns the root identifier and validity flags.

Validates an 18-digit Mexican CLABE bank account number by checking its structure, bank code, and mod-10 checksum offline.

Scans text, source code, env dumps, or logs for leaked secrets and sensitive credentials, returning counts and severity flags.

Lists all available scaffold templates that can be used with the POST /v1/scaffold/tool endpoint, returning a catalog of tool blueprints by id and title.

Converts a place name query into geographic coordinates and location metadata using the Open-Meteo geocoding API.

Validates a phone number against E.164 format rules without performing any carrier or network lookup

Converts a monetary amount from one currency to another using European Central Bank (ECB) exchange rates.

Converts a Markdown string to HTML using the CommonMark-compliant marked library.

Generates JS or Python pure-function boilerplate code plus an OpenAPI fragment and x402 call pattern from a natural-language description, using deterministic templates with no LLM.

Converts arbitrary text into a URL-safe slug with full Unicode normalization

Encodes UTF-8 text to hexadecimal or decodes hex strings back to UTF-8 text

Validates a Brazilian CPF tax number by checking format and mod-11 checksum, returning a structured pass/fail result.

Computes the canonical EIP-712 typed data hash for a given domain, types, and message without consuming LLM tokens

Returns whether a specified financial market (NYSE, NASDAQ, LSE, TSE, XETRA, FX, CRYPTO) is currently open or closed, with a reason code, for a given timestamp.

Scans a block of text for personally identifiable information (PII) and secrets, returning counts of findings so agents can gate further actions on privacy/security compliance.

Checks whether a planned LLM call fits within a specified USD budget ceiling before executing, returning an allow/deny decision with estimated cost and headroom

Validates a payment destination and rail before executing a payout, returning a go/no-go decision with reasons.

Validates and parses a CAIP-19 asset identifier, returning the CAIP-2 chain reference, asset namespace, and validity flag

Scans or redacts PII and secrets from text (logs, prompts, tool I/O) and returns a go/no-go allow flag with findings count

Submits a structured demand for a new pure-function leaf endpoint that AI agents need, including input/output specs and tags, so builders can see what capabilities are wanted.