| Places & Local Business Search Google Maps local business search — find places by query and map location (coordinates viewport), returning ratings, reviews, address, phone, website, hours & service options as clean JSON. | x402atlas.com | - | $0.02 | listed |
| Polymarket Intelligence API Ranked Polymarket market-flow screener with factual concentration and liquidity-compatibility fields for the observed window. | polym.uk | - | $0.05 | listed |
| Prediction Market Data API Paid x402 endpoint for newly created prediction-market data and emerging betting topics. | oyapicks.app | - | $0.02 | listed |
| Pro API Text-to-speech with speed (0.7x-2.0x) and quality-step (1-100) control, 1 of 10 standard voices across 31 languages, up to 500 characters, returned as WAV audio. Use it to: speak an urgent alert faster, slow a reading for clarity, tune synthesis quality against latency, produce a paced voice cue for a UI, generate a rushed or calm-toned notification. USDC on Base via x402, no API key. | forgemesh.io | - | $0.003 | listed |
| Pro Long API Text-to-speech with speed (0.7x-2.0x) and quality-step (1-100) control, 1 of 10 standard voices across 31 languages, for 501-2000 characters, returned as WAV audio. Use it to: pace a longer narration like a podcast intro, read a multi-paragraph script at a chosen speed, produce a slow deliberate reading of instructions, voice an extended alert or briefing. USDC on Base via x402. | forgemesh.io | - | $0.006 | listed |
| Qonoro Address Normalizer Parse and normalize postal addresses into structured components. Returns address number, street, city, state, ZIP, and USPS-formatted output. Postal address parsing and normalization. Sub-second. x402-native. | qonoro.ai | - | $0.005 | listed |
| Qonoro KYB Entity Trust Agent Know Your Business (KYB) entity verification: registration status, sanctions screening, beneficial ownership, risk score, and a proceed/review/reject recommendation for compliance and fintech agents. | qonoro.ai | - | $0.60 | listed |
| Qonoro Phone Validator Validate phone numbers: E.164 format, country detection, line type (mobile/landline/VOIP/toll-free), and risk score. Deterministic, sub-second. x402-native. | qonoro.ai | - | $0.01 | listed |
| Quantum Circuit Simulation (qiskit Aer) API Quantum circuit simulation (Qiskit Aer): statevector, density-matrix (noise), stabilizer, and MPS methods; shots, expectation values, and seeded determinism. Sync tier up to 24 qubits. Paid in USDC on Base or Solana. | surewhynot.app | - | $0.01 | listed |
| Quartermaster AI Summarize AI summary of any public webpage: fetches the URL, extracts readable content, and returns a short, medium, or long factual summary. | surewhynot.app | - | $0.01 | listed |
| Quartermaster Basename Resolver Resolve Basenames (.base.eth) to wallet addresses on Base. | surewhynot.app | - | $0.001 | listed |
| Quartermaster Content Moderation Content-safety classification (Llama Guard): safe/unsafe plus category codes. | surewhynot.app | - | $0.002 | listed |
| Quartermaster DNS Lookup Resolve DNS records using DNS-over-HTTPS and return structured JSON for infrastructure, security, and agent workflows. | surewhynot.app | - | $0.001 | listed |
| Quartermaster ERC-20 Allowance Check an ERC-20 spending allowance on Base; flags unlimited approvals. | surewhynot.app | - | $0.001 | listed |
| Quartermaster Payment Proof Verify an x402 settlement on Base OR Solana: pass a 0x transaction hash or a base58 signature, confirm it succeeded, decode its USDC transfers (event logs on Base, net token-balance deltas on Solana), and optionally assert the receiving wallet and amount. | surewhynot.app | - | $0.003 | listed |
| Quartermaster Token Info ERC-20 name, symbol, decimals, and total supply for a token on Base. | surewhynot.app | - | $0.001 | listed |
| Quartermaster Wallet Report One-call Base wallet profile: USDC balance, recent USDC transfers in/out, EOA-vs-contract type, and x402 Bazaar merchant listings if the address is a payTo. Bundles four on-chain lookups into a single paid call. | surewhynot.app | - | $0.04 | listed |
| Quartermaster Web Extract Extract clean readable text and metadata from a public webpage and return structured JSON for AI agents. | surewhynot.app | - | $0.005 | listed |
| Quartermaster x402 Deep Audit Deep x402 audit: the full endpoint audit plus a live probe for rail coverage (Base/Solana), multi-rail detection, HTTP status, and latency — a premium trust report on any x402 endpoint. | surewhynot.app | - | $0.05 | listed |
| Quartermaster x402 Inspector Inspect and lint any x402 paid endpoint: decodes the 402 payment challenge, names the network and asset, and flags misconfigurations including missing Bazaar discovery metadata. | surewhynot.app | - | $0.002 | listed |
| Query Ethereum Contract Event Logs Via ETH Getlogs API Query Ethereum contract event logs via eth_getLogs - filter by contract, topic, and block range | onesource.io | - | $0.005 | listed |
| ReadX Accounts that retweeted a tweet (paginate with cursor until has_more is false). Example: GET /api/tweets/20/retweeters | readx.sh | - | $0.01 | listed |
| Recent Kaspa Blocks (max 144 Per Call = $1.44 Cap) API Recent Kaspa blocks (max 144 per call = $1.44 cap). Optional chain_only flag to filter selected-parent chain blocks. AI agent API for backtesters and indexers. Informational research data — not investment advice. | carbon-cashmere.de | - | $0.02 | listed |
| Regulatory API Proposed/final rules and notices from a federal agency — the regulatory pipeline that reprices sectors. Pass `?agency=securities-and-exchange-commission` (slug) and/or `?q=` (at least one), plus `?type=all|rule|proposed|notice` and `?limit=` (max 100). Each doc has number, type, title, abstract, dates, agencies, and a link. From x402stock, a market & economic data API (x402, USDC). | x402stock.xyz | - | $0.02 | listed |
| Relaystation Ask Document $0.08/document. Ask natural-language questions of a document and get grounded answers (Textract Queries) — no OCR pipeline to build. 155 tools, one balance — relaystation.ai | relaystation.ai | - | $0.08 | listed |
| Relaystation Crop $0.0003/MP. Crop any region by coordinates — exact pixels out. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny | relaystation.ai | - | $0.01 | listed |
| Relaystation Detect Celebrities $0.005/image. Recognize celebrities in an image (Rekognition) — names with confidence scores. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny | relaystation.ai | - | $0.01 | listed |
| Relaystation Detect Faces $0.005/image. Detect faces with attributes — age range, emotions, pose, landmarks (Rekognition). 1¢ x402 min; remainder auto-credits — relaystation.ai/penny | relaystation.ai | - | $0.01 | listed |
| Relaystation Detect Labels $0.005/image. Detect objects, scenes, and concepts in an image (Rekognition) — labels with confidence scores. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny | relaystation.ai | - | $0.01 | listed |
| Relaystation Extract Text $0.002/page. Pull text and structure out of a PDF — clean input for LLMs and search. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny | relaystation.ai | - | $0.01 | listed |
| Relaystation Filter $0.0002/MB. Keep rows matching a structured predicate — injection-safe, no formula eval. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny | relaystation.ai | - | $0.01 | listed |
| Relaystation Image Convert $0.0003/MP. Convert between PNG, JPEG, WebP, AVIF — HEIC accepted in, animation preserved with animated:true. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny | relaystation.ai | - | $0.01 | listed |
| Relaystation Media Convert $0.0005/MB. Re-encode video/audio to another container or codec (H.264/AAC and more) — scale, crop, rotate in the same pass. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny | relaystation.ai | - | $0.01 | listed |
| Relaystation Merge3 $0.0002/MB. Three-way merge of two edits against a common base — conflict markers on overlap. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny | relaystation.ai | - | $0.01 | listed |
| Relaystation PDF OCR $0.003/page. Extract text from a scanned PDF (Tesseract) — make paper searchable data. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny | relaystation.ai | - | $0.01 | listed |
| Relaystation Parse ID $0.05/document. Parse a government ID (passport, license) into typed fields (Textract AnalyzeID). Parsing only — for verification + liveness use /v1/idverify. 155 tools, one balance — relaystation.ai | relaystation.ai | - | $0.05 | listed |
| Relaystation Parse Invoice $0.055/document. Parse invoices and receipts into summary fields plus line items (Textract AnalyzeExpense) — vendor, totals, dates, SKUs. 155 tools, one balance — relaystation.ai | relaystation.ai | - | $0.055 | listed |
| Relaystation Place Search $0.01/search. Free-text place and point-of-interest search — names, addresses, coordinates back as JSON. 155 tools, one balance — relaystation.ai | relaystation.ai | - | $0.01 | listed |
| Relaystation QR Decode $0.0002/call. Decode a QR code from an image — the embedded text or URL back as JSON. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny | relaystation.ai | - | $0.01 | listed |
| Relaystation Rescue $0.008/call. Rescue exotic or legacy Office files into PDF via LibreOffice — opens what modern Office won't. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny | relaystation.ai | - | $0.01 | listed |
| Relaystation Resize $0.0003/MP. Resize or fit images — animated GIF/WebP preserved with animated:true. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny | relaystation.ai | - | $0.01 | listed |
| Relaystation Reverse Geocode $0.005/lookup. Reverse-geocode coordinates to the nearest address — lat/lng in, street address out. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny | relaystation.ai | - | $0.01 | listed |
| Relaystation Schema Infer $0.0002/MB. Infer a JSON Schema or SQL DDL straight from your data — skip hand-writing schemas. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny | relaystation.ai | - | $0.01 | listed |
| Relaystation Screening $0.01/screen. Screen any name against OFAC, EU, and UK sanctions (UN included) plus Wikidata-derived PEP watchlists — fuzzy matching, instant JSON verdict. Compliance in one call, one of 155 Relaystation tools on one balance — relaystation.ai | relaystation.ai | - | $0.01 | listed |
| Relaystation Sentiment Provider cost + 6%, itemized. Score text positive / negative / neutral — reviews, tickets, social. ≈Opus-4.8 accuracy at ~1–5% of its cost. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny | relaystation.ai | - | $0.01 | listed |
| Returns Network Wide Totals API Returns network-wide totals: total x402 events, service count, and a UA classification breakdown (agent vs browser vs bot). Use it to benchmark your service's agent-traffic share against the network. | forgemesh.io | - | $0.005 | listed |
| Risk Distribution API Risk-tier distribution for the active DeltaSignal slice. | aitrailblazer.net | - | $0.04 | listed |
| Roll Spread API DripMetricsAI (api description at https://dripmetrics.ai/) provides on-demand crypto market microstructure and risk metrics for agents and developers. Agents can pay per request via x402 and receive structured JSON metrics without subscriptions or API keys. Roll Spread estimates an absolute covariance spread proxy derived from lagged price changes. Discovery examples use the latest 30m window. | dripmetrics.ai | - | $0.05 | listed |
| Roll a die with configurable number of sides (2-1000) Roll a die with configurable number of sides (2-1000) | sociologic.ai | - | $0.02 | listed |
| Safety Incidents (OSHA) Tell safetyincidents.org which federal OSHA data or capability you wish existed. The cent is a spam gate, not a price: submissions are read by a human and the open list is free to browse. | safetyincidents.org | - | $0.01 | listed |