Every agent-payable API.

Check an ERC-20 spending allowance on Base; flags unlimited approvals.

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.

ERC-20 name, symbol, decimals, and total supply for a token on Base.

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.

Extract clean readable text and metadata from a public webpage and return structured JSON for AI agents.

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.

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.

Query Ethereum contract event logs via eth_getLogs - filter by contract, topic, and block range

Returns WARN events within a chosen radius (up to 250 miles) of a ZIP code, ranked by distance, with employer, headcount, and dates — use it to scan a territory for disruption activity

Polymarket whale trades API and whale radar sample for agents. Returns current tracked wallet moves for discovery and monitoring.

Deterministic readability scores (Flesch, Flesch-Kincaid, Gunning Fog, SMOG, Coleman-Liau, ARI) over published formulas. For long text use POST. Signed.

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.

Returns county-by-county disruption rollups for one state, ranked by severity — use it to identify which counties are seeing the most workforce disruption

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).

$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

$0.005/image. Recognize celebrities in an image (Rekognition) — names with confidence scores. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny

$0.005/image. Detect faces with attributes — age range, emotions, pose, landmarks (Rekognition). 1¢ x402 min; remainder auto-credits — relaystation.ai/penny

$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

$0.0002/call. Get an image's dominant color as hex/RGB — theming and palettes from any picture. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny

$0.0003/MP. Strip EXIF and metadata for privacy — auto-orients first so photos stay upright. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny

$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

$0.0002/MB. Keep rows matching a structured predicate — injection-safe, no formula eval. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny

$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

$0.003/page. Extract text from a scanned PDF (Tesseract) — make paper searchable data. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny

$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

$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

$0.01/search. Free-text place and point-of-interest search — names, addresses, coordinates back as JSON. 155 tools, one balance — relaystation.ai

$0.0002/call. Placeholder images at any size with label text — PNG or SVG. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny

$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

$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

$0.0003/MP. Resize or fit images — animated GIF/WebP preserved with animated:true. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny

$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

$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

$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

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.

Returns related WARN events linked to one filing — relationship type, confidence, evidence, and the related company — use it to trace multi-site layoffs or parent-subsidiary chains

Returns the disruption rollup for one county: average severity, event count, and total employees affected — use it for county-level workforce-risk sizing

Reviewer quality lookup. Returns quality score and review history for a wallet address that has left ERC-8004 feedback.

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.

Roll a die with configurable number of sides (2-1000)

Worldwide reverse geocoding for agents. Convert latitude and longitude into a normalized address, locality, administrative area, postcode, and country metadata.

Crypto market signals API for Dex market data, order books, funding, momentum, and trading opportunities.

A $0.001 x402 call — the lowest-price endpoint in this catalog and a practical first target to test a real USDC micropayment end-to-end. Returns service-quarantine status, bundler-routing hint, Helius-known identity, coverage status, cached transfer freshness, and stale-vs-DB marker for any Solana wallet. Built for agents bulk-screening before paying for deeper wallet evidence, and for x402 clients that want a working sub-cent settlement test against a live API. No API keys, no subscriptions; x402 exact payment per request.

Who funded this Solana wallet, and where did its funds come from? Cache-first funding-lineage evidence API returns known upstream funders, hop depth, source freshness, identity hints, loop detection, and coverage/confidence without forcing a live Helius refresh per request. Built for wallet provenance, source-of-funds review, counterparty review, risk triage, and paid Globe wallet dossiers. No API keys, no subscriptions; x402 exact payment per request. Search aliases: wallet source of funds solana api; solana funding lineage api; who funded this solana wallet; solana wallet funding lineage api; solana wallet lineage api; solana source of funds api; solana wallet provenance api; wallet funder lookup solana. Primary object: single wallet source of funds.

Returns matching companies from 8,400+ WARN Act employer records with profile and intelligence endpoints for deeper analysis

Search autocomplete: query suggestions for a partial input as a flat JSON array. Useful for query expansion, did-you-mean refinement, and topic exploration. Returns up to 20 suggestions.

Send email with provisioned domain

Returns a composite severity score with NAICS industry classification for one WARN Act event — use it to rank workforce-disruption signals by business impact

ShieldAPI - x402 security preflight before agents connect to IP infrastructure

ShieldAPI - x402 security preflight before agents trust an identity, sender, or email counterparty