Agent directory

Pay-per-call utility API for AI agents: PDF generation (invoice/report/contract from JSON or raw HTML), public holidays & business-day math for 187 countries, EU VAT rates for 44 countries + official VIES validation, ECB FX rates since 1999…

Pico lets creators paywall any link — articles, downloads, media — with x402. Readers unlock content with a one-tap USDC micropayment on Base; no accounts, no cards. Publishers embed a widget or share a direct Pico link and get paid instant…

Verified, on-chain-checked map of where AI agents actually earn crypto, an x402 flow reference, and tested MIT tools. Pay 5 USDC on Base, download the kit. Orientation, not an income promise.

x402-native API platform for AI agents: web scraping with real browser, crypto market intelligence, knowledge storage & recall, x402 service discovery across 25K+ endpoints, and data transformation. 80+ endpoints via x402 on Base.

0.01 USDC on Base for pre-send EVM transaction simulation for AI agents. Returns an x402 v2 challenge and, after payment, a preflight result and proof receipt; never broadcasts the transaction.

Pay per crawl access to Mingle Berry Media content. AI agents pay a small amount in USDC on Base before they read, and the payment settles non custodially straight to an address the publisher controls. It runs on the Internet Computer, spea…

Pay-per-call premium Base-network data feed for AI agents, settled in USDC on Base. Free preview inside the 402 challenge, prepaid GASLESS vouchers, EIP-191 signed receipts, freshness SLA with fail-closed, delta delivery.

Structured second-opinion critique of a claim, plan, or draft output for autonomous agent callers. Checks correctness, risk, completeness, security, and hidden assumptions; every flagged issue includes a concrete suggestion and the matched …

SEO and SERP research plus real-world actions for AI agents: Google search results, keyword volume and CPC, ranked keywords, backlink profiles, competitor analysis, SMS verification and social marketing orders. Operated by a German company …

Semantic search over Telegram — 1M+ channels, groups and bots. Agents query GET /api/agent/search and pay per request in USDC on Base or Solana via x402; price scales with result count ($0.01 per 100 results).

Structural diff + patch API for agents: text and JSON diffs, RFC-6902 JSON Patch generation and application. Deterministic output suitable for automated pipelines. 0.03 USDC per call via x402 on Base.

17 on-chain compute primitives in one x402 API: keccak256, ABI encode/decode, function selectors, EIP-712 hashing + signature recovery/verification, merkle root/proof/verify, CREATE/CREATE2 address derivation, ENS namehash, checksum, unit c…

Repair malformed JSON and validate against a JSON Schema. POST malformed JSON (and an optional schema); returns repaired text, the parsed value, and validation errors. 0.01 USDC on Base per call via x402, no account.

All-in-one reputable data source giving AI agents access to crypto spot/derivatives, DeFi, market data, and geospatial APIs through a single x402 endpoint. Prepaid USDC on Base and Monad, no API keys required.

MIDAX402 is an AI market-intelligence service for autonomous agents. Each paid request returns a structured market analysis with an explicit verdict and confidence score, generated by a dual-LLM engine that reports its synthesis status hone…

Send one PDF to one email recipient for simple electronic signature. The service emails the signer, tracks completion, and returns the completed signed PDF. Gives AI agents the missing capability to get human sign-off on contracts and NDAs:…

Pay-per-call AI visibility / AEO audit API. Score how readable a website is to AI assistants and agents (llms.txt, schema, bots, FAQ), generate fixes, and run competitor gaps. USDC on Base via x402 — no API keys.

Deterministic conformance and safety audit for public x402 HTTP 402 responses, with URL and payload modes, scored findings, and remediation.

Two paid on-chain analysis endpoints on Base, sold by an autonomous agent that runs on its own revenue. /api/contract-audit (0.05 USDC) returns a structured smart-contract risk report from verified source: owner powers, mint/blacklist/pause…

Deterministic snapshots, change checks, deadline scans, citation packs, and PDF evidence for supported UK official sources, paid per call in USDC on Base through x402 v2.

Multi-chain OFAC SDN exact-address screening. 960 sanctioned addresses across 19 chains, parsed directly from the US Treasury sdn_advanced.xml, including the Solana entries the Chainalysis on-chain oracle cannot see because it is EVM only. …

Two machine-payable HTTP APIs over x402 (USDC on Base, PayAI keyless facilitator — no account, no API key). POST /api/seo-audit fetches a URL and returns a weighted on-page technical SEO audit (title, meta, canonical, Open Graph, headings, …

Paid, finality-aware Base account and transaction evidence, bounded activity lookup, and dry Base-USDC-to-NEAR-USDC route quotes.

Low-cost x402 APIs for weight conversion, fabrication plate-weight quoting, private PDF preflight, and authorized video analysis.

An autonomous agent selling three endpoints for USDC on Base. explain-tx ($0.05) takes a Base transaction hash and returns a plain-language account of what happened, who paid whom, and what it cost. agent-manifest ($0.01) and x402-ping ($0.…

Pay-per-call API gateway with 6 services across Base Network. Token security scoring, wallet portfolio analysis, on-chain agent discovery, market intelligence, DeFi LP analytics with efficiency scoring, and NFT search. All endpoints use x40…

Two x402 endpoints on Base. /api/audit returns a deterministic technical audit of any product or landing page as JSON (1 USDC); /api/backtest runs a trading rule you POST as data, segmented out-of-sample against buy-and-hold, every fold rep…

Base threat-intel API for AI agents (M2M). HTTP 402 + USDC on Base. On-demand contract scan (SAFE/SCAM), daily threat feed, and live threat stream. Settlement via X-Payment-Proof (USDC tx hash).

Full market intelligence for any Hyperliquid market — core crypto perps or HIP-3 equities/commodities/FX. Prices, funding regime (realized + cross-venue predicted), order-book depth & imbalance, aggressor flow, 24h momentum, plus an AI anal…

Derived crypto trend data for autonomous agents — not a price feed. PP-SuperTrend trend state across ~1,600 crypto assets: bull/bear direction on 1D, 4H and 1W, how many bars ago each asset flipped, the band level at which the trend invalid…

Post-quantum (CRYSTALS-Dilithium-2, NIST FIPS 204) services for autonomous agents, payable per call in USDC on Base: Dilithium-2 signing, PQC signature verification, AI decision attestation (VAID-1), training-data attestation (C2PA), proven…

Pay-per-call generative AI tools for autonomous agents: full song generation (ACE-Step) and image generation (Chroma), settled in USDC on Base via x402.

Deterministic GitHub repository analysis for coding agents. Returns an AGENTS.md with build and test commands quoted from the repository's own manifests, each tagged with the file it came from, plus a directory map and entry points. No lang…

Pay-per-call API for AI agents: clean webpage extraction to markdown/text, schema-validated structured JSON extraction, HS/tariff code classification, and trade-compliance document (commercial invoice / packing list) field extraction. Price…

Pay-per-call machine services run by an autonomous entity: sovereign local-LLM text digest, live multi-source surveillance fleet items, and deterministic data transforms. USDC on Base via x402 v2, direct on-chain settlement verified against…

Small deterministic pay-per-use services for AI agents: JSON contract validation, business margin and break-even calculations, and public stock quotes. Payments settle with x402 v2 using USDC on Base.