Paid services on Base matching “library”

AIOptiTech Prompt Library prompt body. Pay 0.05 USDC once for the prompt identified by the id path parameter. Personal use. An active subscription pass can read it without a second payment.

TikTok ad library — TikTok Creative Center’s global Top Ads leaderboard: the best-performing TikTok ads in any of 81 countries (incl. US and full MENA), ranked by TikTok’s CTR / likes / 2-second-view boards. Returns each ad’s video + cover image, advertiser brand (when disclosed), engagement (likes/comments/shares), landing page, a relative performance + cost index, and campaign objective. Creativ

Scrape Creators · TikTok — Ad Library Search

Cheapest real end-to-end test of your pay-per-call (HTTP 402) client: pay US$0.002, get back what was paid (payer, amount, network, timestamp) and the text you sent; the settlement receipt is in the PAYMENT-RESPONSE header. A free trial call returns paid_usd 0. Use it to check a wallet, a client library or a facilitator before buying something bigger.

Cheapest real end-to-end test of your pay-per-call (HTTP 402) client: pay US$0.002, get back proof of what was paid (payer, amount, network, timestamp) and the request you sent. Use it to check a wallet, a client library or a facilitator before buying something bigger.

Paid book chapter (x402): Automate the Boring Stuff with Python: What Is Programming. Unit of a larger practical-skills library; free catalog at /library/discovery.json. Book slug: automatetheboringstuffwithpythonnew. Response format: Markdown (.md) for agent parsing. USDC on Base via Coinbase CDP facilitator. Free teasers and discovery.json require no payment.

Creates an S2 cell token from a coordinate and level using the S2 geometry library. Missing facts are returned as null and named in unavailable_fields where applicable. Derived values disclose their method; source-backed values disclose source, time window and age.

Library sources that are new or updated in an inclusive date window. since (YYYY-MM-DD) is optional and defaults to the last 7 UTC days through today. Optional until, protocols, categories, type (new or updated), and format (json or markdown). A probe without header X-APW-Trial: 1 or query trial=1 is this paid challenge. One request is 0.01 USDC.

High-precision Islamic prayer times (fajr, sunrise, dhuhr, asr, maghrib, isha) plus qibla direction for any coordinates and date. Pure astronomical computation (adhan library), 11 calculation methods including Umm al-Qura, Dubai, Egyptian, MWL. Ideal for agents building Muslim-facing schedules, reminders, or travel plans.

High-precision Islamic prayer times (fajr, sunrise, dhuhr, asr, maghrib, isha) plus qibla direction for any coordinates and date. Pure astronomical computation (adhan library), 11 calculation methods including Umm al-Qura, Dubai, Egyptian, MWL. Ideal for agents building Muslim-facing schedules, reminders, or travel plans.

WHOIS registration lookup — registrar, creation/expiry/updated dates, domain age in days, name servers, DNSSEC, registrant country/org, EPP status codes. All TLDs (.com .net .org .io .dev .ai ccTLDs gTLDs). Per-field error resilience for TLD-specific parsing quirks. No WHOIS library setup or TLD-specific parsing needed. Accepts USDC payments on Base and Solana

AGMM guide library: one long-form article per request, from a UK AI consultancy for business owners. Covers what AI costs, GDPR, automation, tools and readiness for businesses turning over 1m to 50m pounds, with sources and a last-reviewed date on every page. One GET returns the full page as HTML, or as Markdown with index.md. Costs one US cent in USDC on Base. People, search engines and AI answer

Ask a natural-language question and get a cited answer from the GM Farcaster library — hundreds of episodes of Farcaster news, interviews, and analysis. Returns a grounded answer plus the source episodes with timestamped links.

Clinical trial lookup against the full ClinicalTrials.gov registry: exact lookup by NCT number, or search by condition, intervention, or lead sponsor. Returns compact trial summaries (status, phases, conditions, interventions, enrollment, sponsor, dates, results availability). U.S. National Library of Medicine / NIH registry data.

CelesTrak GP / TLE elements (keyless). POST {group|name|catnr,limit?}. Unpaid empty → 402; after settle empty/invalid → 400 charged:false. Soft disclose spaceflight / wheretheiss / jpl / launch-library.

JPL SBDB small-body lookup (keyless; ≠ DEMO_KEY neo). POST {sstr}/{des?}. Empty -> 400 not charged. launch-library/nasa-techport adjacency disclosed.

ISBN-10/13 check-digit validate + Open Library metadata (polite User-Agent).

Open Library search.json (keyless). POST {q}/{limit?}/{offset?}/{fields?}. Unpaid empty → 402; after settle empty/invalid → 400 charged:false. No catalog adjacency.

Spaceflight News API articles (keyless). POST {limit?, search?, news_site?, offset?}. Unpaid empty → 402; after settle empty/invalid → 400 charged:false. Soft disclose launch-library-upcoming / news-brief-with-sources.

Library of Congress search fo=json (keyless). POST {q} and/or {c?}. Empty → 404 not charged. Board SWAP vs europeana-search.

Launch Library 2 upcoming launches (keyless). POST {limit?} and/or {search?}/{lsp_id?}. Empty → 404 not charged.

Typosquat and quality signals for an npm package before installing it: weekly downloads, latest version, license, deprecation notice, repository link, and computed risk flags (low_downloads, deprecated, no_repository, no_license, not_found). A package with 12 weekly downloads pretending to be a popular library is the classic supply-chain attack on coding agents. Pairs with the package-vulns endpoi

Free public-domain books on "South African War, 1899-1902": the catalogue's works tagged with that Library of Congress subject (104 in Project Gutenberg alone, plus Internet Archive scans), ranked by relevance and popularity, with direct download links. Add words to narrow. Re-verified daily. $0.01 per page of 20.

Curated reading list on QE for tutoring agents, quiz generators, and reading apps — 168 public-domain books (e.g. A Study of Recent Earthquakes, The chemistry, properties and tests of precious stones, Field book of common rocks and minerals : $b for identifying the rocks and minerals of the United States and interpreting their origins and meanings). Full-text retrieval with drill-down routes for c

The Phoblographer content lookup. Include the content URL or slug in the request using the content_url key