| Random Joke API Get a random interesting joke. Secured with x402 payment protocol on Base mainnet. | vercel.app | - | $0.002 | listed |
| Ransomware Group Activity From Telegram API Ransomware group activity from Telegram: victim posts, leak site announcements, extortion demands. Filters: severity, min_confidence, since, tag(lockbit|blackcat|cl0p|ransomhub), sector, country, limit, offset. | onrender.com | - | $0.04 | listed |
| Raw Source Verification For A Telesint Record API Raw source verification for a TeleSint record. Pass id (UUID from any items[].id). Returns original defanged message text and source language alongside the AI summary for provenance checks. | onrender.com | - | $0.02 | listed |
| Read API Skim: clean reader — URL to agent-ready markdown + structured metadata, ~4x smaller than raw HTML. | skim402.com | - | $0.002 | listed |
| ReadX Resolve a numeric user id to its current @username. Example: GET /api/tools/get_username?user_id=12 | readx.sh | - | $0.01 | listed |
| ReadX Accounts a user follows (~200 per page; paginate with cursor until has_more is false). Example: GET /api/jack/following | readx.sh | - | $0.01 | listed |
| ReadX A user's followers (~200 per page; paginate with cursor until has_more is false). Example: GET /api/jack/followers | readx.sh | - | $0.01 | listed |
| ReadX A2A task invocation — send a skill id + input, get back a completed Task with the result. Example: GET /api/a2a/v1/message:send | readx.sh | - | $0.01 | listed |
| ReadX Search tweets. Start the query with @ (or add f:user) to search users instead. Example: GET /api/search?q=typescript | readx.sh | - | $0.01 | listed |
| ReadX A tweet's edit history: the latest version plus every prior revision. Example: GET /api/jack/tweets/20/history | readx.sh | - | $0.01 | listed |
| Readability API Extract readable content and markdown from any webpage URL | api2ls.com | - | $0.02 | listed |
| Readiness API Freshness and readiness of the current DeltaSignal slice. | aitrailblazer.net | - | $0.04 | listed |
| ReadinessAPI OpenAPI Audit Audit an OpenAPI 3.x contract for AI-agent readiness. Returns deterministic heuristic scores and findings, safe JSON Patch remediation, MCP tool candidates, and SHA-256 integrity hashes. | readinessapi.com | - | $50,000.00 | listed |
| Real Time Gblin Protocol State API Real-time GBLIN protocol state: NAV in USD, basket composition with dynamic weights, and Crash Shield status. | gblin.digital | - | $0.001 | listed |
| Real Time Token Price By Coingecko Id Or Symbol API Real-time token price by CoinGecko ID or symbol - includes 24h change, volume, market cap | agenticfi.wtf | - | $0.001 | listed |
| Realized Volatility For An Asset API Realized volatility for an asset: daily and annualized %, plus a low/normal/high/extreme bucket and the 24h high/low/range. Use to size positions and set expectations. Backward-looking (realized), not implied/option vol. | swaphunt.dev | - | $0.002 | listed |
| Receipt API Japanese receipt (領収書/レシート) → normalized JSON + qualified-invoice verification in one call. OCR: merchant, date & time, items, totals and the 8%/10% consumption-tax breakdown. The registration number (T+13 digits) is extracted and verified against the National Tax Agency registry, so an expense agent knows instantly whether the receipt supports input-tax credit (仕入税額控除). Send {"url"} or {"base64"} (photo or PDF). First page. Failed analyses are not charged. | workers.dev | - | $0.03 | listed |
| Recent Fill Stream For A Hyperliquid Perp Coin API Recent fill stream for a Hyperliquid perp coin. POST {coin, n}. Returns the last N fills (direction, side, price, size, notional, fee, trader address) plus an aggregate summary (buy/sell notional split, whale_fill_count for fills ≥ $10k, avg price). Distinct from hl-screen (top traders by lifetime volume) — this is recent trade events as they happen, for whale-watching + flow-following bots. | graphadvocate.com | - | $0.02 | listed |
| Recent Per Block Aggregation Of Bittensor Events API Recent per-block aggregation of Bittensor events: neuron_registrations, weight_sets, bond_sets, child_key_sets, stake_added/removed, root_claimed, balance_transfers + total TAO. | carbon-cashmere.de | - | $0.02 | listed |
| Recipients API Create a bank payout recipient for a crypto off-ramp (sell USDC, cash out to fiat). Provide the target currency, account type and bank details (see /requirements), the account holder legal name, and the funding wallet. Returns the recipient id for /transfer. The recipient is sanctions-screened upstream. Pay 0.01 USDC. | madhousewallet.com | - | $0.01 | listed |
| Registration Cost History API Hourly Bittensor subnet registration activity (NeuronRegistered event count per subnet) + current burn-cost per subnet. Useful for predicting cheap-registration windows. | carbon-cashmere.de | - | $0.02 | listed |
| Relaystation Bookmarks $0.001/call. Read a PDF's outline/bookmark tree as JSON — navigate structure before extracting. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny | relaystation.ai | - | $0.01 | listed |
| Relaystation Contact Sheet $0.0003/MP. Tile many images into one thumbnail-grid PNG — visual index in a single call. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny | relaystation.ai | - | $0.01 | listed |
| Relaystation Create $0.02/contract. Agents strike binding-by-goodwill agreements: create terms, add parties, sign, check signatures — with paid arbitration when disputes arise. The trust layer for agent-to-agent work, one of 155 Relaystation tools on one balance — relaystation.ai | relaystation.ai | - | $0.02 | listed |
| Relaystation Detect Ppe $0.005/image. Detect protective equipment — face, hand, head covers — on people in an image. Site-safety audits by API. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny | relaystation.ai | - | $0.01 | listed |
| Relaystation Explode $0.0002/MB. Unnest array cells into rows — flatten nested JSON for analysis. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny | relaystation.ai | - | $0.01 | listed |
| Relaystation Extend $0.0003/MP. Pad or extend an image's canvas on any side — aspect-ratio fixes without cropping. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny | relaystation.ai | - | $0.01 | listed |
| Relaystation GIF $0.0005/MB. Turn a video segment into a palette-optimized animated GIF — share-ready loops. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny | relaystation.ai | - | $0.01 | listed |
| Relaystation Geocode $0.005/lookup. Geocode a free-text address to coordinates (AWS Location Service) — lat/lng plus normalized address. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny | relaystation.ai | - | $0.01 | listed |
| Relaystation Route $0.01/route. Calculate a route between two points — distance, duration, and geometry back as JSON. 155 tools, one balance — relaystation.ai | relaystation.ai | - | $0.01 | listed |
| Relaystation To Xlsx $0.0002/MB. Write tables to styled, multi-sheet Excel (.xlsx) — formula-injection-safe. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny | relaystation.ai | - | $0.01 | listed |
| Relaystation URL To PDF $0.02/render. Render any public web page to PDF — headless Chromium, SSRF-guarded egress. 155 tools, one balance — relaystation.ai | relaystation.ai | - | $0.02 | listed |
| Reloadpi API Reloadpi — List all countries where digital vouchers and gift cards are available | reloadpi.com | - | $0.004 | listed |
| Reloadpi API Reloadpi — Get available filter options for voucher search including brands, countries and categories | reloadpi.com | - | $0.001 | listed |
| Reloadpi API Reloadpi — List available regions for mobile top-up services | reloadpi.com | - | $0.001 | listed |
| Rerank API Rerank passages by relevance to a query via Cloudflare Workers AI (@cf/baai/bge-reranker-base). Send {query, documents[] (≤50, each ≤4000 chars), topK?}; returns [{index, score}] best-first — the missing link after embed/chunk, keeping the top chunks before a costly LLM call. Score is the model's relevance score (higher = better), named as it only compares within this model. Unavailable binding → 503, unbilled. | 402utils.com | - | $0.004 | listed |
| Resolve API Resolve a Japanese company to its official registry record: 13-digit corporate number (法人番号), canonical registered name, head-office address, entity type, and active/closed status. Query by name (fuzzy normalization: legal-form words, zenkaku/hankaku and kana variants are handled) or by corporate number. Source: National Tax Agency corporate number registry, all ~5M registered corporations in Japan. | workers.dev | - | $0.005 | listed |
| Retrieve Change Alerts For Monitored Urls API Retrieve change alerts for monitored URLs. Returns list of detected changes with timestamps. | memoryapi.org | - | $0.001 | listed |
| Return Deterministic Structural Counts API Return deterministic structural counts: characters, words, sentences, paragraphs, headings, bullets, and averages. | energybilltoolkit.co.uk | - | $0.01 | listed |
| Returns The Disruption Intelligence Ripple Report API Returns the Disruption Intelligence Ripple Report: a ranked brief with headline, top regions, recommended actions, and delivered signals on downstream business effects from workforce disruption | forgemesh.io | - | $0.25 | listed |
| Returns personalized greeting - UPDATED SCHEMA v2 Returns personalized greeting - UPDATED SCHEMA v2 | vercel.app | - | $0.001 | listed |
| Revenue And Fees By Protocol API Revenue and fees by protocol - daily fees and protocol revenue | agenticfi.wtf | - | $0.001 | listed |
| Reverse Geocode API Reverse-geocode WGS84 lat/lng coordinates within Japan to a normalized Japanese (JP) address with structured components. Use to label a GPS fix, a map pin, or a photo location with a human-readable address. | agentic-jp.com | - | $0.005 | listed |
| Riddle Oracle Pay a micro-fee in USDC on Base mainnet to receive a riddle and its answer. | vercel.app | - | $0.002 | listed |
| Robots.txt And AI Crawler Policy Check API robots.txt and AI crawler policy check. Tells an agent whether a website permits crawling and whether it blocks AI bots such as GPTBot, ClaudeBot, Google-Extended, PerplexityBot and CCBot, before scraping, RAG ingestion, training data collection or archiving. Parses robots.txt and returns a crawl-policy tier with per-bot allow and disallow rules and sitemap URLs. | trustsource.cc | - | $0.002 | listed |
| Romny Polymarket Data Polymarket multi-asset panel snapshot | dpdns.org | - | $0.01 | listed |
| Route Plan API Plan a route between two Japanese (JP) train stations — timetable-based, with transfers, duration, and fare. Standard planning without delay adjustment (cheaper). Use for ordinary trip planning. | agentic-jp.com | - | $0.01 | listed |
| Rtk Motion API RTK Motion — location threat intelligence lite assessment. Confidence-scored alerts, event distribution, temporal context. For risk_underwriting or facility_security_audit. ECDSA-signed provenance. | rtkmotion.io | - | $0.50 | listed |
| Rtk Motion API RTK Motion — 4D motion capture biomechanics. Two-subject grappling capture, 5 s (300 frames @ 60 fps, 56 joints each), delivered as DERIVED ANALYSIS inline: inter-subject engagement distance and contact time — which single-actor corpora cannot produce — plus per-joint excursion, bilateral asymmetry, motion energy, and 56-joint→43-DOF retarget fidelity. Signed raw-BVH URLs included. Full 20 s captures, NPZ trajectories and bundles via /mcp. | rtkmotion.io | - | $0.25 | listed |
| Rug Probability Score Deterministic 0-100 rug-probability score combining security flags, holder concentration, LP lock and liquidity depth — with the exact signals that drove it. A fast numeric gate for trading agents. Higher = riskier. | com.tr | - | $0.03 | listed |