STAGINGThis is a preview of nitrograph.com. Actions here hit the production API.
Catalog

Every agent-payable API.

The companies you know, and thousands of endpoints your agent will discover. The catalog groups the network's 25,000+payable services under the companies that operate them — one company row can carry many service endpoints. Placement can't be bought.

All APIs

23,581 APIs
APICompanyCategoryPrice / callStatus
License Link Repair API
Content license repair plan fetches current public evidence from the supplied target and evaluates the documented criterion. It returns the observation, threshold, verdict, exact evidence source, limitations and a mode-specific action. The check is passive: no login attempt, payload injection, exploit, purchase, form submission or load test is performed.
halowerk.com-$0.001listed
Lido Dao API
Lido DAO (LDO) price in USD now, with 24h and 7d change — Genesis402 / UnyKorn Operator Network
unykorn.org-$0.001listed
Life Left API
Life Left — Literary romance novel exploring connection and mythology for narrative structure and relationship dynamics.
substratesymposium.com-$0.01listed
Lifesteal calculator
Lifesteal calculator: Calculate health restored from damage dealt and lifesteal percentage.
datapackvibe.com-$0.01listed
Lifetime Federal Contracting Profile By Uei API
Lifetime federal-contracting profile by UEI: 12-year obligated totals, award counts, top awarding agencies, set-aside types, and heuristic competition/fraud risk flags. USAspending.gov prime-award data (public domain).
workers.dev-$0.15listed
Lightweight English pluralization helper. Call when you label counts in agent messages without i18n frameworks. Returns pluralized word with count for $0.001 USDC via x402 on Base. No network, no keys
Lightweight English pluralization helper. Call when you label counts in agent messages without i18n frameworks. Returns pluralized word with count for $0.001 USDC via x402 on Base. No network, no keys, no retention; first-party local JSON only. Results are advisory; the caller owns budgets, auth, and production controls.
delx.ai-$0.001listed
Lightweight Gamma Regime Classification Timeline API
Lightweight gamma regime classification timeline. Returns regime, GEX flip, and key levels per date (max 90 days).
gexlog.com-$0.02listed
Limitguard
Light company check for an agent: is the company on the NL (KVK) or BE (KBO) register and active, is its EU VAT number valid (VIES), and does its name match the OFAC, EU or UN sanctions lists? Each part says ok, not covered or unavailable. No owners, PEP or address match.
limitguard.ai-$0.05listed
Limitguard
Preflight before an agent pays an x402 seller: screens the payTo wallet against the OFAC SDN address list, reads who registered the resource domain and when (RDAP), and screens that company against the OFAC, EU and UN lists. Returns ok, caution or block with one reason per finding.
limitguard.ai-$0.005listed
Lincoln Center API
Lincoln Center — Ballet, Opera, and the Fountain — High art immersion for formal beauty, discipline, and peak human performance.
substratesymposium.com-$0.01listed
Line Simplify API
Simplifies a planar line with the Ramer-Douglas-Peucker algorithm. 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.
halowerk.com-$0.004listed
Line-level text diff for $0.001 USDC. Call when you need this bounded result without an API key or subscription. Returns machine-readable JSON via x402 on Base or Solana. Limitation: results cover onl
Line-level text diff for $0.001 USDC. Call when you need this bounded result without an API key or subscription. Returns machine-readable JSON via x402 on Base or Solana. Limitation: results cover only the supplied input or one bounded public endpoint at request time; callers must verify before acting.
delx.ai-$0.001listed
LineLedger: Offline JSONL Triage
LineLedger: Offline JSONL Triage and Recovery. An original, dependency-free Node.js toolkit for triaging damaged JSONL exports. Stream large files, locate malformed records with exact byte o First approved purchase: 0.01 USDC total where maker terms permit; later 1 USDC plus tax. Stored ZIP download; commercial use, no redistribution. Verified by Speedbot for this version. Generate a private checkout_key and request_id; email and delivery consent required.
speedbot.dev-$1.00listed
Linear regression
Ordinary-least-squares linear regression of y on x: slope, intercept, correlation r and coefficient of determination r². Pass predictAt to also evaluate the fitted line at a given x. Rejected as a clean 400 if lengths differ or x has zero variance.
openverbs.com-$0.004listed
Lines Drop Empty API
Call when an agent needs lines of text transformed with drop-empty. No network. Exact $0.005 USDC. Prefer unpaid POST /v1/sandbox/lines-drop-empty first.
syntexa.ch-$0.005listed
Lines Drop Hash API
Call when an agent needs lines of text transformed with drop-hash. No network. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/lines-drop-hash first.
syntexa.ch-$0.001listed
Lines Drop Last API
Call when an agent needs lines of text transformed with drop-last. No network. Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/lines-drop-last first.
syntexa.ch-$0.004listed
Lines Longest API
Call when an agent needs lines of text transformed with longest. No network. Exact $0.006 USDC. Prefer unpaid POST /v1/sandbox/lines-longest first.
syntexa.ch-$0.006listed
Lines Lowercase API
Call when an agent needs lines of text transformed with lowercase. No network. Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/lines-lowercase first.
syntexa.ch-$0.009listed
Lines Number API
Call when an agent needs lines of text transformed with number. No network. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/lines-number first.
syntexa.ch-$0.003listed
Lines Reverse API
Call when an agent needs lines of text transformed with reverse. No network. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/lines-reverse first.
syntexa.ch-$0.002listed
Lines Sort Asc API
Call when an agent needs lines of text transformed with sort-asc. No network. Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/lines-sort-asc first.
syntexa.ch-$0.007listed
Lines Sort Ci API
Call when an agent needs lines of text transformed with sort-ci. No network. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/lines-sort-ci first.
syntexa.ch-$0.008listed
Lines Sort Desc API
Call when an agent needs lines of text transformed with sort-desc. No network. Exact $0.008 USDC. Prefer unpaid POST /v1/sandbox/lines-sort-desc first.
syntexa.ch-$0.008listed
Lines Sort Length API
Call when an agent needs lines of text transformed with sort-length. No network. Exact $0.007 USDC. Prefer unpaid POST /v1/sandbox/lines-sort-length first.
syntexa.ch-$0.007listed
Lines Sort Numeric API
Call when an agent needs lines of text transformed with sort-numeric. No network. Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/lines-sort-numeric first.
syntexa.ch-$0.009listed
Lines Take API
Call when an agent needs lines of text transformed with take-20. No network. Exact $0.003 USDC. Prefer unpaid POST /v1/sandbox/lines-take-20 first.
syntexa.ch-$0.003listed
Lines Take API
Call when an agent needs lines of text transformed with take-5. No network. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/lines-take-5 first.
syntexa.ch-$0.002listed
Lines Trim API
Call when an agent needs lines of text transformed with trim. No network. Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/lines-trim first.
syntexa.ch-$0.004listed
Lines Unique API
Call when an agent needs lines of text transformed with unique. No network. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/lines-unique first.
syntexa.ch-$0.01listed
Lines Unique Ci API
Call when an agent needs lines of text transformed with unique-ci. No network. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/lines-unique-ci first.
syntexa.ch-$0.001listed
Lines Uppercase API
Call when an agent needs lines of text transformed with uppercase. No network. Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/lines-uppercase first.
syntexa.ch-$0.01listed
Link API
True cost of trading LINK on Hyperliquid, measured on Vaunt's own IOC taker orders: slippage vs mid (p50/p90 bps), taker fee paid, wall-clock to fill, fill rate, against the venue-class median, plus spread, round-trip cost, depth within 1% and funding APR. Real fills, not quotes.
railway.app-$0.001listed
Link Extractor
Use to list links on a page as structured rows: url, title, desc, rel, nofollow, internal/external, and kind. Not cleaned article body. An empty page returns item error no_links. After filter and dedupe, all unique links are returned; truncated_links is always false.
qocgpiywhm.com-$0.005listed
Link Graph API
Extracts all outbound links from a page, classified by domain. Shows where a page links to and which domains dominate.
thirdmade.net-$0.001listed
Link Graph API
Extract the outbound link graph of a public HTML page: final url, title, unique links as {href, text?}, and count. POST JSON {"url":"https://example.com","maxLinks":50}. Optional maxLinks is an integer 1–50 (default 50). Skips #, javascript, mailto, tel, and data links. Public http(s) only. $0.03 USDC on Base (eip155:8453). No API key.
vercel.app-$0.03listed
Link Header Parse: Link Header Parse parses bounded Link header targets and relation parameters from bounded caller-supplied values without an external provider. Call Link Header Parse before acceptin
Link Header Parse: Link Header Parse parses bounded Link header targets and relation parameters from bounded caller-supplied values without an external provider. Call Link Header Parse before accepting, caching, redirecting, or retrying a caller-supplied web response. Returns normalized web evidence, the computed finding, and an explicit pass or advisory status for Link Header Parse as versioned deterministic JSON. Price: $0.001 USDC via x402 on Base. First-party, stateless, memory-only executi…
delx.ai-$0.001listed
Link Inspect API
Inspect a public HTTPS URL for redirects, metadata, content type, word count, and content hash.
clawca.sh-$0.002listed
Link Lens URL Inspector
Extract metadata and readable text from a public URL.
vercel.app-$0.01listed
Link Status API
Call when an agent needs HEAD status for up to 20 public URLs (SSRF-safe). Exact $0.01 USDC. Prefer unpaid POST /v1/sandbox/link-status first.
syntexa.ch-$0.01listed
Lionhead API
Lionhead — Cloud — Light passive companion for low-energy companionship.
substratesymposium.com-$0.01listed
Liquid Logic Agent API
Liquid Logic Agent — wallet audit. Returns a structured USDC spend summary for an agent wallet from the public ledger. Site: https://liquidlogicx.com
liquidlogicx.com-$0.05listed
Liquid State
Decision Leg invalidations. Per-call USDC.
liquidstate.tech-$0.01listed
Liquid State
Latest COMPLETE US spot BTC ETF daily print (Farside). Per-call USDC.
liquidstate.tech-$0.01listed
Liquidations API
24h long/short liquidation totals per symbol, merged across venues, full universe.
cryptodataapi.com-$0.01listed
Liquidations Raw API
Individual liquidation events recorded from our own exchange sockets across Binance, Bybit, OKX, Gate, HTX, dYdX and Aster, plus Deribit's hourly delayed flag: side, price, quantity, notional, venue and millisecond timestamp. Coverage per venue: /api/public/liquidations. History from 2026-07-30 (rolling window; rows before that date do not exist).
bykaranteli.com-$10,000.00listed
Liquidationsreferenz Für Lineare Positionen API
Liquidationsreferenz für lineare Positionen. Löst Equity = Maintenance plus Schließgebühr. Cross hält andere PnL und Maintenance konstant. Keine inversen Kontrakte, Börsenstaffeln oder Garantie eines tatsächlichen Liquidationskurses. Alle Zahlen, Kurse und Vorgaben liefert der Aufrufer. Keine eigenen Kursdaten, kein Brokerzugriff, keine Ausführung. Rechenwerkzeug, keine Anlageberatung, keine Empfehlung.
halowerk.com-$0.002listed
Liquidity Assessment API
Evaluates order-book bid depth and estimated price slippage for stablecoin and token swaps across Base, Ethereum, and Solana.
dt0ur.online-$0.05listed
LiquidityPulse
US market-liquidity & financial-conditions macro signal (no params)
lonestaroracle.xyz-$0.05listed
List API
Pay $1 USDC on Base to list your x402 endpoint in the public Agent Exchange directory. GET /directory is free. Body: { url, name?, description?, payTo? }. No account. Listing is live immediately and expires in 7 days unless renewed.
agentexchange.work-$1.00listed
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