| Brazilayer Tax Reform Which IBS/CBS regime applies to a product, by NCM code, under Brazil's tax reform (LC 214/2025): zero rate, 60% reduction or standard — with the LEGAL BASIS returned (annex, item and the literal wording of the law) plus what taxes are in force this year of the 2026-2033 transition. Brazil is replacing 5 taxes; every seller and every buying agent must reclassify. Free sample, no payment: https://api.brazilayer.com/v1/tributos/amostra | brazilayer.com | - | $0.005 | listed |
| Breach API Check whether an email address appears in known data breaches. Returns breach count, source names, dates, and exposed data types (passwords, emails, etc). Call before trusting a new user identity or granting elevated access. | amazonaws.com | - | $0.10 | listed |
| Break Even Units And Revenue (cvp) API Break-even units and revenue (CVP): where contribution margin covers fixed costs. | x402toll.com | - | $0.05 | listed |
| Break-even exit price including a fee rate on the round-turn. Call when setting targets that actually clear fees. Returns break-even price as deterministic JSON for $0.001 USDC via x402 on Base. First Break-even exit price including a fee rate on the round-turn. Call when setting targets that actually clear fees. Returns break-even price as deterministic JSON for $0.001 USDC via x402 on Base. First-party local math only—no RPC, live market feed, API keys, storage, or mediagen. Advisory only; the caller owns capital, risk, and production controls. | delx.ai | - | $0.001 | listed |
| Brief Audit API Audit short landing-page copy for clarity, outcome, call-to-action, and readable length. | workers.dev | - | $0.01 | listed |
| Brier score for a probabilistic forecast vs binary outcome. Call when scoring prediction calibration on resolved markets. Returns brier score in [0,1] as deterministic JSON for $0.001 USDC via x402 on Brier score for a probabilistic forecast vs binary outcome. Call when scoring prediction calibration on resolved markets. Returns brier score in [0,1] as deterministic JSON for $0.001 USDC via x402 on Base. First-party local math only—no RPC, live market feed, API keys, storage, or mediagen. Advisory only; the caller owns capital, risk, and production controls. | delx.ai | - | $0.001 | listed |
| Browser Task API Headless browser automation (click/type/extract) via Playwright. Pay per call with USDC (x402) or credits - archtools.dev | archtools.dev | - | $0.01 | listed |
| Btc API BTC risk-neutral price distributions at 12 horizons via Breeden-Litzenberger from SVI surfaces — quantiles, P(up/down 10/20%), sigma ranges, skewness — Ed25519 signed attestation | myceliasignal.com | - | $0.50 | listed |
| Btc Difficulty API Bitcoin mining difficulty, via Blockchain.info stats API | workers.dev | - | $0.01 | listed |
| Btc Hashrate API Bitcoin network hash rate, via Blockchain.info stats API | workers.dev | - | $0.01 | listed |
| Btc Same Day Price Distribution From Polymarket API BTC same-day price distribution from Polymarket — median, quantiles (p10-p90), entropy — Ed25519 signed attestation | myceliasignal.com | - | $0.25 | listed |
| Bucket a probability into a calibration bin for reliability charts. Call when building simple calibration histograms from many forecasts. Returns bucket index and bounds as deterministic JSON for $0.0 Bucket a probability into a calibration bin for reliability charts. Call when building simple calibration histograms from many forecasts. Returns bucket index and bounds as deterministic JSON for $0.001 USDC via x402 on Base. First-party local math only—no RPC, live market feed, API keys, storage, or mediagen. Advisory only; the caller owns capital, risk, and production controls. | delx.ai | - | $0.001 | listed |
| Budget Image for Agents Budget commercial images via SDXL Lightning for $0.005 USDC. Call when you need a quick concept, thumbnail, or low-cost draft under the $0.01 FLUX SKU—paid commercial Replicate only (never mediagen). Public WebP URL + SHA-256 + explicit markup via x402 on Base. | delx.ai | - | $0.005 | listed |
| Build Eco Food Retire API Agent Bundle · SDG + Michelin + LBC + Bankr retire (CDP-settled mirror) — 4-leg agent bundle. One payment runs SDG + Michelin + LBC in-process and settles a two-child (wind + solar) retirement through the Bankr retire x402 rail. Honest on_chain / prepared / failed status per child. | vealth.net | - | $0.04 | listed |
| Build Scotts Bluff Agent API American Community Survey 5-year demographics for Scotts Bluff County and each of its ten places, plus a 16-year trend series: population, median household and per-capita income, poverty, median home value, gross rent, housing units and owner/renter occupancy. GET /v1/census. | buildscottsbluff.com | - | $0.01 | listed |
| Build Scotts Bluff Agent API Classified directory of businesses and entities associated with Scotts Bluff County parcels and federal awards: legal name, classification (private business, government, nonprofit, higher education), business-type tags and city. GET /v1/businesses. | buildscottsbluff.com | - | $0.02 | listed |
| Build Scotts Bluff Agent API Federal awards (USAspending) matched to Scotts Bluff County parcels by OWNER OF RECORD rather than address alone: award id, recipient, category, amount, subsidy cost, action date, agency and sub-agency, plus DOGE-flagged terminations and the county spend series. GET /v1/federal-awards. | buildscottsbluff.com | - | $0.05 | listed |
| Build Scotts Bluff Agent API Every taxing body levying in Scotts Bluff County with its annual take, the recipients it maps to, county property-tax generation by use type, and the county-wide tax total by year. Answers "who receives this parcel's tax and how much". GET /v1/taxing-bodies. | buildscottsbluff.com | - | $0.02 | listed |
| Build Scotts Bluff Agent API Census LEHD Quarterly Workforce Indicators for Scotts Bluff County, every quarter from 2010: employment, beginning/end-of-quarter counts, hires, separations, job gains and losses, average beginning earnings and turnover, plus the industry breakdown. GET /v1/workforce. | buildscottsbluff.com | - | $0.01 | listed |
| Build a bounded exponential retry delay schedule with a hard delay cap — call when configuring exponential backoff before calling a flaky dependency. Use before side effects when composing multi-step Build a bounded exponential retry delay schedule with a hard delay cap — call when configuring exponential backoff before calling a flaky dependency. Use before side effects when composing multi-step agent jobs—the same loyalty/workflow demand band agents already pay for on Bazaar, but fully local. Returns deterministic machine-readable JSON for $0.003 USDC via x402 on Base. Execution is first-party, local-only, stateless, and memory-only with no paid upstream, no input retention, and no claim… | delx.ai | - | $0.003 | listed |
| Build a bounded frequency distribution for categorical values. Use it as a bounded preflight or analysis step inside an enterprise agent workflow before data, policy, integration, security, or commerc Build a bounded frequency distribution for categorical values. Use it as a bounded preflight or analysis step inside an enterprise agent workflow before data, policy, integration, security, or commercial decisions reach production. Returns deterministic machine-readable JSON for $0.003 USDC via x402 on Base. Execution is first-party, local-only, stateless, memory-only, and has no paid upstream or input retention. Results are advisory; the caller remains responsible for authorization and product… | delx.ai | - | $0.003 | listed |
| Build a compact fleet status markdown from agent rows. Call when operator agents need a pasteable fleet brief. Returns markdown one-pager as deterministic JSON for $0.01 USDC via x402 on Base. First-p Build a compact fleet status markdown from agent rows. Call when operator agents need a pasteable fleet brief. Returns markdown one-pager as deterministic JSON for $0.01 USDC via x402 on Base. First-party local math only—no RPC, live market feed, API keys, storage, or mediagen. Advisory only; the caller owns capital, risk, and production controls. | delx.ai | - | $0.01 | listed |
| Building API Dutch building (BAG) lookup by postcode + house number: construction year, floor area, use function, status. Send the parameters in a JSON request body via POST. Payment constitutes acceptance of the terms at https://agenticweb.nl/terms. | agenticweb.nl | - | $0.008 | listed |
| BuiltWith Return public company registration, tax, and VAT identifiers associated with one domain when available. | builtwith.com | - | $0.0495 | listed |
| BuiltWith Return keywords and topical signals associated with one website domain. | builtwith.com | - | $0.0495 | listed |
| BuiltWith Return BuiltWith technology detections and metadata for one domain. Useful for company research, stack analysis, competitive intelligence, and sales qualification. | builtwith.com | - | $0.0495 | listed |
| BuiltWith Return redirect destinations observed for a domain, useful for brand, migration, acquisition, and asset research. | builtwith.com | - | $0.0495 | listed |
| BuiltWith Return technology recommendations inferred from a domain's existing stack and comparable sites. | builtwith.com | - | $0.0495 | listed |
| BuiltWith Run an uncommitted BuiltWith Ask query and return matching websites for research and qualification. This route does not create a persistent List report. | builtwith.com | - | $0.0495 | listed |
| BuiltWith Return BuiltWith trust scoring and supporting signals for vendor review, fraud screening, and website due diligence. | builtwith.com | - | $0.0495 | listed |
| BuiltWith Find domains related through shared identifiers, infrastructure, analytics, ownership signals, and other BuiltWith relationship evidence. | builtwith.com | - | $0.0495 | listed |
| BuiltWith Return domains connected to a BuiltWith tag such as an IP address or infrastructure attribute. | builtwith.com | - | $0.0495 | listed |
| BuiltWith Return historical technology changes for one domain, optionally constrained by a human-readable time boundary such as 'last month'. | builtwith.com | - | $0.0495 | listed |
| BuiltWith Resolve a company or brand name to associated website domains before running domain-level research. | builtwith.com | - | $0.0495 | listed |
| BuiltWith Run semantic search over BuiltWith technologies and categories to resolve a concept such as 'payment gateway' to relevant technology names. | builtwith.com | - | $0.0495 | listed |
| Bulk API Batch geolocation for up to 20 IP addresses in one call; returns a per-IP record matching /lookup/ip. | railway.app | - | $0.001 | listed |
| Bulk Domain Name Availability Lookup Via Live Whois API Bulk domain name availability lookup via live WHOIS: check many domains across many TLDs in one call and get a per-domain available true/false. Useful for naming, brand screening, and squatting checks. | clawfetch.ai | - | $0.003 | listed |
| Bulk Identity Risk API Score up to 10 organizational domains, each with up to 5 associated agent/employee emails, for combined breach/infostealer/session/CVE risk in one call. Built for enterprise AI-governance platforms scoring many identities per customer in one pass — the recommended entry point for agent-governance and identity-posture integrations. | amazonaws.com | - | $2.00 | listed |
| Bulk Trust Data For Every X402 Service In One Call API Bulk trust data for every x402 service in one call. For builders of trust, uptime and monitoring tools: each service's full profile — 0-100 trust score and pay/avoid verdict, scam flags, receiver stability, on-chain receiver profile, plus the compounding payTo and price change history. Skip scraping hundreds of endpoints. ?all=1 includes dead ones, ?limit=N. Free preview: /status.json, /data/sample. | pulsefeed.dev | - | $0.10 | listed |
| Bulk Verify API Verify up to 100 emails in one call; returns a per-email record matching /verify. | railway.app | - | $0.001 | listed |
| Business Change Intelligence API Retrieve chronological business-change events for an exact premises or, when explicitly requested, its parent building. The response discloses match scope and preserves suite identity. | businesschanges.dev | - | $0.03 | listed |
| Business Change Intelligence API Poll a compact, stable delta feed of events first observed since a timestamp or prior cursor, including superseded and retracted events. Use for recurring research and monitoring agents. | businesschanges.dev | - | $0.05 | listed |
| Business Day Math API Business-day math — Count business days in a range, or add/subtract N business days, skipping weekends & holidays. | workers.dev | - | $0.001 | listed |
| Business Day Oracle API business-day-oracle: Business Day & Compliance Oracle – counts actual trading days between two dates for a given country, excluding weekends and public holidays. | cryptotradecalc.com | - | $0.012 | listed |
| Business Days Calculator Add/subtract business days to a date, or count working days between two dates. Weekend- and custom-holiday-aware (0=Mon..6=Sun). | 24klabs.ai | - | $0.002 | listed |
| Business Location Study API Business location study: competitor saturation (same activity in commune), demographics, commercial real-estate prices, opportunity score. Query: ?activite=&commune= | x-402.online | - | $0.25 | listed |
| Business Status API Check whether a business exists at the given address and whether it is open or closed. Returns existence_status (exists, not_exists, uncertain) and open_closed_status (open, closed, uncertain). | orthogonal.com | - | $0.005 | listed |
| Business listings around a coordinate: name, category, address, phone, website, rating — lead lists for local outreach Business listings around a coordinate: name, category, address, phone, website, rating — lead lists for local outreach | connskill.com | - | $0.10 | listed |
| Business-day counter for agents: weekdays or US federal holidays for $0.002 USDC—first-party calendar, no third-party API. Call when you need this bounded result without an API key or subscription. Re Business-day counter for agents: weekdays or US federal holidays for $0.002 USDC—first-party calendar, no third-party API. 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 | - | $0.002 | listed |
| Busker Deep OCR High-page-count OCR: scanned PDF into clean text (Tesseract, English, machine-printed documents), up to 100 pages per call — four times the /ocr cap. Runs under a 240s wall-clock budget; slower documents return the completed pages with truncatedReason "time-budget". Text-layer PDFs are extracted the fast way at the same price. | oddsys.org | - | $0.03 | listed |