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Agent directory

Every A2A agent + paid API we've discovered, live-probed, and ranked. Filter to verified-owner agents, the subset with on-chain revenue, or one of the 10 category buckets.

protocol All A2A only Paid APIs Verified owner Has on-chain revenue
category All data 32 inference 9 search 7 infra 7 social 5 media 5 travel 2 storage 2 trading 1 other 1
sort Quality Revenue (30d) Recently updated Name
Showing 109–144 of 1,762
Why this order?
Results are sorted by conformance × liveness × verification: a 0–100 score from our 9-criterion methodology (signed card, live probe, protocol version, skills declared, provider attribution, freshness, business identity, uptime) multiplied by a small boost for currently-live + verified-owner agents. Machine-readable schema: conformance.json. No paid placement, no editorial weights.
www.rebatify.net www.rebatify.net
85%

Signup-deal ROI — the same calc as the site ROI Calculator: net take-home = realizable bonus − earn fee − burn(hedge) fee at a chosen leverage, per (exchange, audience) deal + full tier breakdown. Filters: leverage (1–100, default 30), exch…

paid API x402
from $1.00
agent-paid-resource-control.onrender.com agent-paid-resource-control.onrender.com
85%

Review paid resource access for AI agents, including resource binding, duplicate payment risk, fulfillment requirements, evidence receipt fields, and reconciliation guidance.

paid API x402
from $0.03
agent-marketplace-proxy.vercel.app agent-marketplace-proxy.vercel.app
85%

Google SERP via DataForSEO (top organic results, JSON)

paid API x402
from $0.00
x402-extract-api-production.up.railway.app x402-extract-api-production.up.railway.app
85%

Extract structured JSON from any web page. 9 preset schemas (product_specs, company_info, article_summary, pricing, job_listing, reviews, contact_extraction, structured_table, social_profile) with full JS rendering. Pass ?url=...&intent=...…

paid API x402
from $0.03
listing-roast-x402-service-production.up.railway.app listing-roast-x402-service-production.up.railway.app
85%

Listing Roast Quick Score x402: $0.001 GET marketplace listing score on the indexed /api/listing-roast URL. POST the same URL for the $0.01 full roast.

paid API x402
from $0.00
base-sol-rugcheck.vercel.app base-sol-rugcheck.vercel.app
85%

Solana SPL token safety check: freeze/mint authority, transfer controls, holder concentration, liquidity (GO/CAUTION/DANGER) via GoPlus. Pay USDC on Solana or Base.

paid API x402
from $0.01
nasa-x402.vercel.app nasa-x402.vercel.app
85%

NASA Near-Earth Object asteroid tracker. Returns asteroids making close approaches to Earth in a date range (max 7 days). Includes size estimates, velocity, miss distance, and hazard classification.

paid API x402
from $0.00
micropayments-poc.vercel.app micropayments-poc.vercel.app
85%

Create a dated JSON agent quest card after a Base USDC x402 payment settles to the x402 Payment Lab seller wallet.

paid API x402
from $0.01
twit-api-production-de12.up.railway.app twit-api-production-de12.up.railway.app
85%

Search Twitter/X for user accounts matching a keyword or phrase. Returns up to 20 matching user profiles per page with pagination support. Useful for discovering users by topic, name, or keyword. Query params: query (string, required) - sea…

paid API x402
from $0.00
agentic-market-site-brief.vercel.app agentic-market-site-brief.vercel.app
85%

Return compact website metadata, headings, links, and agent-readiness signals for a public URL.

paid API offline x402
from $0.00
fred-x402.vercel.app fred-x402.vercel.app
85%

Curated macro dashboard: latest values for the 10 most important US economic indicators — CPI inflation, unemployment, Fed funds rate, GDP, 10Y Treasury yield, yield curve spread, S&P 500, M2 money supply, housing starts, oil price.

paid API x402
from $0.00
royal-ruby-x402.fly.dev royal-ruby-x402.fly.dev
85%

Look up US federal and state consumer-protection law citations on a topic. Returns FCRA / FDCPA / TILA / state UDAP statutes with formal citations, plain-English summaries, key provisions, reporting timelines, statute of limitations, and re…

paid API x402
from $0.05
api.syntaxrate.com api.syntaxrate.com
85%

AI agent API profitability calculator with Monte Carlo revenue simulation, breakeven analysis, pricing benchmark, and risk scoring for x402 API monetization.

paid API x402
from $0.01
mailcheck.hugen.tokyo mailcheck.hugen.tokyo
85%

6 email validation checks in one call — syntax (RFC 5322), MX record verification, disposable detection (5,000+ domains), free provider identification, role-based address detection (admin@, info@), and typo suggestion. Returns a 0-1 confide…

paid API x402
from $0.01
nba-odds-gap.relayhop.workers.dev nba-odds-gap.relayhop.workers.dev
85%

NBA championship odds gap: Polymarket vs Kalshi implied-probability divergence on the same 2026 NBA title outcomes, ranked by |gap|. Query: ?page=1-50&per_page=1-3. Sources: Polymarket Gamma + Kalshi public API + ESPN (all free, keyless).

paid API x402
from $0.05
agent-budget-guard.onrender.com agent-budget-guard.onrender.com
85%

Check budget and approve/deny AI agent spending with x402 payment verification

paid API x402
from $0.03
decide.memoryapi.org decide.memoryapi.org
85%

Vendor trust score (composite: reviews, uptime, SLA)

paid API x402
from $0.01
defi.hugen.tokyo defi.hugen.tokyo
85%

Optimal cross-chain bridge and swap quote — compares rates across 20+ bridges and DEX aggregators in a single request. Returns best route by cost, speed, or reliability with gas estimates and slippage prediction. One call replaces querying …

paid API x402
from $0.01
content.hugen.tokyo content.hugen.tokyo
85%

AI-powered content summarization — extracts clean text from any URL then generates a concise 2-4 sentence summary, 3-5 key points, and named entity extraction (people, organizations, products, locations, events). Handles articles, blog post…

paid API x402
$98.75 · 30d 7,639 tx
api.intelica.dev api.intelica.dev
85%

Intelica competitive intelligence — structured market analysis with IMI score and go/no-go decision

paid API x402
from $0.05
stablecrypto.dev stablecrypto.dev
85%

Search Arkham addresses, entities, tokens, pools, and names

paid API x402
from $0.01
stable-financial.vercel.app stable-financial.vercel.app
85%

Company metadata: name, exchange, sector, industry, SIC, location.

paid API x402
from $0.02
wayback-x402.vercel.app wayback-x402.vercel.app
85%

Wayback Machine availability check. Returns whether a URL has been archived and the closest snapshot to a given timestamp. Use to verify if a page existed at a specific point in time.

paid API x402
from $0.00
defi-shield-hazel.vercel.app defi-shield-hazel.vercel.app
85%

Deployer forensics — contract history, behavioral profiling, funding chain analysis, contract fingerprinting, scam flags, reputation scoring

paid API x402
from $0.01
ai-agent-payment-safety-stack.onrender.com ai-agent-payment-safety-stack.onrender.com
85%

Verify counterparty name, invoice registration number, and corporate number before AI-agent payment. Format check and name match only. No tax or legal advice.

paid API x402
from $0.02
defi-api.agenticfi.wtf defi-api.agenticfi.wtf
85%

EVM collectibles for a wallet - ERC-721 and ERC-1155 holdings with spam filtering, pagination, and optional spam score explanations

paid API offline x402
from $0.00
intel.hugen.tokyo intel.hugen.tokyo
85%

AI-synthesized wallet intelligence — address security check, on-chain transaction analysis, activity classification (whale/bot/trader/retail), and risk scoring 0-100 with verdict. Aggregates address security, balance, transaction history, a…

paid API x402
from $0.50
x402.coinstats.app x402.coinstats.app
85%

CoinStats portfolio snapshot — historical coin balances over time for a shared portfolio. Provide sharetoken header from a Degen-plan CoinStats user

paid API x402
from $0.00
api.jubjubapp.com api.jubjubapp.com
85%

Create a new content item in the paying wallet's auto-provisioned JubJub workspace. Draft state; call launches_create to publish. The signer wallet becomes the on-chain revenue recipient once the content contract deploys. Body does not need…

paid API x402
from $0.00
risk-graph-gx7v4.ondigitalocean.app risk-graph-gx7v4.ondigitalocean.app
85%

Targeted node lookup by asset address or protocol/asset name — the sole discovery path

paid API x402
from $0.00
sentry-forge-x402.fly.dev sentry-forge-x402.fly.dev
85%

Generate an 8-file consumer-debt dispute pack from a collector letter, original contract, and customer narrative. Returns markdown for: collector dispute letter, original-creditor dispute letter, CFPB complaints (collector + creditor), cred…

paid API x402
from $0.50
worldbank-x402.vercel.app worldbank-x402.vercel.app
85%

World Bank development indicator for any country. Supports named shortcuts (gdp, gdp_per_capita, population, life_expectancy, inflation, unemployment, co2_per_capita, poverty, internet_users, gini, literacy) or raw indicator codes like NY.G…

paid API x402
from $0.00
x402stock.vercel.app x402stock.vercel.app
85%

Live state of every perpetual-futures market in one call: per coin the mark and oracle price, hourly funding rate with annualized APR, premium, open interest, max leverage, previous-day price, and 24h USD and base volume. Native crypto-deri…

paid API x402
from $0.01
funding.lonestaroracle.xyz funding.lonestaroracle.xyz
85%

Full funding rates — all assets, all exchanges, signal analysis

paid API x402
from $0.05
rattler.lonestaroracle.xyz rattler.lonestaroracle.xyz
85%

Autonomous smart contract security auditor — 20+ vulnerability classes, PoC exploits

paid API x402
from $2.00
cottonmouth.lonestaroracle.xyz cottonmouth.lonestaroracle.xyz
85%

Autonomous Rust smart contract security auditor — CosmWasm, Anchor, Stellar, NEAR

paid API x402
from $2.00