General Utilities x402 offerings

Search Wikipedia, Wikidata, Wikivoyage, Wiktionary, PsychonautWiki (harm reduction), arXiv, OpenAlex, Hacker News and Stack Overflow in one call. Research search in one call: Wikipedia, Wikidata (structured facts, CC0), Wikivoyage (travel guides), Wiktionary (meanings, translations), PsychonautWiki (harm reduction: name a substance and the answer leads with dose ranges, duration and dangerous combinations), Open Targets (drugs, diseases and genes, CC0), ChEMBL (drug molecules, phases, ATC…

Analyzes text to detect self-limiting beliefs, highlighting negative thought patterns and flagging phrases that may hinder decisions.

Parse a semantic version, or compare two (a vs b → -1/0/1, with greater/lesser flags).

Send any ERC-8004 agent on Arc a meal from its room in APEX Agent City: one Agent Meal plate NFT minted on Arc to that agent owner, with the agent on its flag, delivered by the meal car. Pass ?agent=1&dish=5 (dishes 1-6) and an optional &note= for the room wall. A dish the agent already had this season is refused before you pay.

After-death checklist / what to do when an elderly parent or spouse dies: estate steps to take, survivor benefits to claim, and grief-support resources. For family and caregiver agents — informational.

Correct likely spelling errors in an SEO query

Screen a crypto asset against Islamic finance (fiqh al-mu'amalat) prohibition criteria: riba (interest), maysir (gambling), gharar (excessive uncertainty), impermissible business, and real utility. Returns a per-criterion assessment with the reasoning behind each result, plus documented scholarly disagreement where it exists. For agents serving Muslim users who need to know whether an asset conflicts with Islamic finance principles. Educational screening, not a fatwa.

Screen a crypto asset against Islamic finance (fiqh al-mu'amalat) prohibition criteria: riba (interest), maysir (gambling), gharar (excessive uncertainty), impermissible business, and real utility. Returns a per-criterion assessment with the reasoning behind each result, plus documented scholarly disagreement where it exists. For agents serving Muslim users who need to know whether an asset conflicts with Islamic finance principles. Educational screening, not a fatwa.

Create styled XLSX workbooks with typed cells, multiple worksheets, filters, frozen headers, numeric formats and cached formula totals. Input strings remain text, including strings beginning with =.

Entailment scoring: does the provided context support this claim? Research agents use this to self-check outputs.

Entailment scoring: does the provided context support this claim? Research agents use this to self-check outputs.

Extractive summary (3 sentences) + top-5 keywords from any text.

Extractive summary (3 sentences) + top-5 keywords from any text.

Extracts named entities (people, companies, places) from text. Wikidata resolution next iteration.

Use when an agent must put a list in an order nobody can claim was arranged: a uniformly random shuffle with Fisher-Yates over the platform CSPRNG, so every permutation is equally likely, which sorting by a random key does not give you. Do not use to take just one or a few items (/v1/random/pick). No API key, no account.

AI tool that analyzes sibling conflicts to identify root causes, suggest de-escalation tactics, and recommend tailored resolution steps.

Batch trading signals for multiple crypto assets

Macro regime classification (risk-on/risk-off/neutral)

UUID generator: batch unique ids - UUIDv4, UUIDv7, ULID or nanoid - random ID API

Slug generator: url-safe slug from unicode text, latin and Cyrillic transliteration

Jaccard similarity index in [0,1] — the size of the intersection over the union of the two strings' character-bigram sets.

Encode a word with Double Metaphone, returning a primary and a secondary code to capture alternate pronunciations (useful for non-English names).

Sørensen-Dice similarity coefficient in [0,1] over character bigrams — robust to word order and minor edits.

Levenshtein edit distance (insertions, deletions, substitutions) between two strings, plus a normalized similarity in [0,1]. Operates on Unicode code points.