All projects on Base matching “api”

Print and mail physical US letters (PDF, HTML, Markdown, DOCX, or image) and postcards via USPS, paid in USDC — with certified/registered proof options and standalone address verification at POST /v1/verify. Integration flow: POST /v1/documents to upload, POST /v1/quotes to lock a fixed USDC price for a recipient, then pay the returned per-quote x402 URL to create and mail the piece. Price is fixe

Convert a Twitter/X, LinkedIn, Medium, Substack, Beehiiv, or public Notion page URL into clean markdown.

Purchase and download the Broken Key Remapper software (one-time license).

Turn text into a numeric embedding vector for semantic search, RAG and similarity. Multilingual.

Decision arbitration: submit context, options, constraints, and risk_tolerance; receive a structured JSON verdict with confidence score, reasoning, and escalation flag.

Track real-time changes to the crypto knowledge graph — new tokens listed, protocol metrics updated, investor relationships added, governance proposals created. Monitor the pulse of the crypto ecosystem as data flows in from multiple sources daily | ZWING Intelligence (https://zwing.finance) — contact: v@zwing.finance, Telegram: @valery_zzz

Full text of one section of the IRS Internal Revenue Manual (IRM). Get the id from GET /search?q=<keywords> or GET /part/:number. Use this when you need the complete, verbatim text of a specific IRM section on IRS examination, collection, appeals, penalty, or disclosure procedure, not a summary.

Full text of one section of the SSA Program Operations Manual System (POMS). Get the id from GET /search?q=<keywords> or GET /part/:code. Use this when you need the complete, verbatim text of a specific POMS section for a disability, retirement, SSI, or Medicare question, not a summary.

Full text of one IRS Internal Revenue Bulletin document (Revenue Ruling, Revenue Procedure, Notice, Announcement, or Treasury Decision), 2003 to present. Get the id from GET /search?q=<keywords>. Use this when you need the complete, verbatim text of a specific IRS guidance document for tax research, not a summary.

Task-specific Avid assistant-editor implementation and QC checklist grounded in PostOpz Framework Vol. 1.

Single buyer wallet's 8-label classification with confidence, all services used, and transaction patterns.

Live whale flow: USDC transfers ≥ $5M on Base with labeled counterparties — scanned continuously (freshness follows the RPC provider's limits; the response always states the block scanned to).

Top stressed crypto issuers from the current DeltaSignal slice.

Textus: structured content with editable baseline direction, characters and scenes for audio, games and media production. One purchase returns one selected text unit as JSON; no audio or provider execution. Find IDs, metadata, prices and availability: https://api.textus.dev/api/v1/resources.json

65000 TRON energy, 1h rental, delivered to the receiver named in the quote

Consumer sentiment for a food, drink, supplement, skincare or beauty product: what shoppers say about it on Amazon, TikTok, Reddit, YouTube, Instagram, Walmart and more, grouped into what they love, wish for and complain about, with verbatim quotes and source links. The response holds the product id and a read_token; the report is ready a few minutes later at GET /v1/products/{id}/consumer-sentime

OFAC SDN screen — fuzzy-screen a person or organization name against the public OFAC SDN list (including aliases). Returns scored potential matches. Not clearance.

HTTPBin Test Echo - a Sly-published x402 service running on Sly's gateway (api.getsly.ai). Used to validate the publish + gateway flow end-to-end. Powered by Sly (https://getsly.ai). Buyer agents call this URL with x402 payment and get a JSON slideshow back. Sly Treasury account, Demo Fintech tenant, demo/test slug.

Get price history

Deploy one Feel coin with a WETH pair

402xAgent: probe of a public URL (blocks private, loopback and link-local addresses on every redirect hop) for an x402 PAYMENT-REQUIRED challenge. Never pays the target. $0.02 USDC on Base after 5 free checks per UTC day.

Current Base mainnet gas price (wei/gwei), EIP-1559 base_fee_gwei/priority_fee_gwei, and gas_price_usd. Use when an agent must estimate gas cost in USD before sending a Base transaction.

Domain & Network Lookup: Domain registration data (registrar, created/expires, status, nameservers) via RDAP.

Compare text using deterministic, case-insensitive bag-of-words token-overlap similarity for lexical duplicate screening. Lowercase each input and tokenize with Python Unicode regex \w+ (letters, digits and underscores). Count repeated tokens. Similarity = sum(min(count_a(token),count_b(token))) / max(words_a,words_b,1), rounded to four decimal places. Returns exactly similarity in [0,1], words_a

Cost-aware perpetual funding pulse for trading agents. Returns three interval-normalized cross-venue venue pairs with gross funding dollars, caller-supplied all-in costs, projected net funding, break-even time, liquidity tier, and BTC/ETH/SOL context.

Top Polymarket wallets over a 7d or 30d window, ranked by EDGE, not by raw win rate. Win rate is computed from RESOLVED markets only (a trade wins when its side matches the final resolution), but ranking a wallet by win rate alone rewards backing favourites — winning a bet the market prices at 0.99 shows no skill. So wallets are ordered by edge_lower_bound = (Wilson-95%-lower-bound of win_rate) −

Probe one public endpoint and diagnose whether agents can discover and parse its unpaid x402 challenge.

Recent token graduations on Robinhood Chain launchpads (Pons v2 and Standard), each with a risk level, a red-flag summary and the latest market snapshot. Risk signals, not investment advice.

Detect the structure of a book manuscript before typesetting it: the chapter list our engine will use (numbered / unnumbered), words and scene breaks per chapter, paragraph count, characters the book font cannot print, and the warnings a full build would raise. Same parser as /v1/typeset, so what you see here is exactly how the book will be divided.

Enrich a person using an email, LinkedIn URL, or name.