Explore APIs

Every pay-per-call x402 API we can find, ranked by what agents actually pay for. No accounts, no API keys.

Projects: 4.5K
Paid endpoints: 106K
Paid calls · 30 days: 1M
Launched here: 0

All projects

2,879 results

Most used Rising Most payers Newest Cheapest A–Z

E
ExactGate x402 ValidatorData & research
Free ExactGate integration catalog with paid Base diagnostic routes, prices, and request examples.
Baseexactgate-x402.insertnameheree.chatgpt.site
from Free
2 endpoints
0
calls / 30d
E
EVM WatchdogSocial & people
EVM Watchdog: npm/Foundry dependency advisories split by on-chain vs toolchain surface, plus known Solidity bug-class leads, for a public GitHub repo. A scan, not an audit.
Baseevm-watchdog-scan.fly.dev
from $0.01
4 endpoints
0
calls / 30d
402MobMarkets & finance
Text statistics report; 0.001 USDC on Base. Seven-day recovery with the default configuration.
Baseevidence.contact
from $0.001
1 endpoint
0
calls / 30d
E
eu-vat-checker.onrender.comOther services
EU VAT number validation via official VIES (all 27 EU states + XI): valid/invalid, name, address, consultation (proof) number
Baseeu-vat-checker.onrender.com
from $0.01
1 endpoint
0
calls / 30d
E
eu-compliance-desk.catalystdesk.workers.devOther services
GPSR safety warnings (14 core warnings: choking/small parts, candles/fire, children/pets, not a toy, cords/strangulation, jewelry, skin irritation, food-contact, damage, packaging) in any of 24 EU languages. Query: ids=W01,W03 (optional), langs=DE,FR (optional).
Baseeu-compliance-desk.catalystdesk.workers.dev
from $0.01
1 endpoint
0
calls / 30d
E
erc8004.heyanon.aiAI & agents
No description yet.
Baseerc8004.heyanon.ai
from $0.005
16 endpoints
0
calls / 30d
E
enrich-domainSocial & people
Return RDAP registration, subdomains, and HTTP headers for a domain.
Baseenrich.node01.org
from $0.01
1 endpoint
0
calls / 30d
E
enrich-b2b-account-firmographicsSocial & people
Company-Enrich Autonomous B2B Account & Firmographics Node: Enriches corporate domains with firmographics, technographics, and executive OSINT.
Baseenrich.agentdiet.dev
from Free
1 endpoint
0
calls / 30d
E
engedi.digi-life17.workers.devSearch & web
Reach for this tool before picking a specific joke category - lists all available joke types. Returns the full taxonomy of joke categories to browse. Essential for discovering what humor is available before making a selection.
Baseengedi.digi-life17.workers.dev
from $0.001
45 endpoints
0
calls / 30d
E
emblemvault.aiCrypto & DeFi
Get recent DEX trades by smart money wallets. Spot what top traders are actively buying/selling.
BaseSolanaemblemvault.ai
from $0.0012
3 endpoints
0
calls / 30d
D
dmarc-tag-pDeveloper tools
Change watch for is email hosted by hostgator mail: runs the check, compares it with the result from your previous call for the same domain (kept 90 days) and returns the current answer, changed true/false, the fields that changed with before/after values, and when it was last seen. Schedule it to be alerted when this changes. $0.02 per check.
Baseemail.intel.rallylive.ca
from $0.01
142 endpoints
0
calls / 30d
E
email-verifyCrypto & DeFi
AgentDiet Semantic Distillation (/v1/distill) — Strips 85-97% of HTML token bloat
Baseemail-verify.agentdiet.dev
from Free
5 endpoints
0
calls / 30d
E
email-verifyCrypto & DeFi
Universal A2A & MCP Tool Discovery, Safe-Proxy & Swarm Router (/v1/x402-broker) — Single-connection meta-router indexing 500+ MCP servers & A2A tools with 85% token compression and Prompt-Guard firewall.
Baseemail-verify-72343955726.us-central1.run.app
from Free
5 endpoints
0
calls / 30d
E
email-verification.nordman-tehau.workers.devDeveloper tools
Validate an email address: syntax, MX resolution, disposable-domain check.
Baseemail-verification.nordman-tehau.workers.dev
from $0.002
1 endpoint
0
calls / 30d
E
email-auth.use.x402atlas.comDeveloper tools
No description yet.
Baseemail-auth.use.x402atlas.com
from $0.01
1 endpoint
0
calls / 30d
H
HL MarkCrypto & DeFi
Catalog of paid Grok x402 routes. Free seed so agents can find /alpha/full.
Baseearn-pulse.haiqingm58.workers.dev
from Free
36 endpoints
0
calls / 30d
E
EarlyThunderCrypto & DeFi
Top crypto protocol earnings yields from EarlyThunder: yield percent, source of yield, TVL and risk rating for 15 protocols.
SolanaBaseearlythunder.com
from $0.01
5 endpoints
0
calls / 30d
D
Duet CSV PreflightData & research
Deterministic CSV preflight for import hazards
Baseduet-csv-preflight.projectlantern-review.workers.dev
from $0.005
1 endpoint
0
calls / 30d
D
dpe.bdatax.comOther services
No description yet.
Basedpe.bdatax.com
from $0.001
2 endpoints
0
calls / 30d
D
domains.scrapemole.workers.devSearch & web
Use when you need the current DNS records of a domain or hostname: resolves the requested record types live over DNS-over-HTTPS (Cloudflare 1.1.1.1 with Google fallback) and returns every answer with TTL, plus the response code (NOERROR/NXDOMAIN) and whether DNSSEC validated. Up to 8 types per call.
Basedomains.scrapemole.workers.dev
from $0.001
6 endpoints
0
calls / 30d
D
DomainDNADeveloper tools
DomainDNA: Domain tech stack, email provider, SPF/DMARC and age, up to 10 domains a call.
Basedomaindna-api.cybermaxtools.com
from $0.005
1 endpoint
0
calls / 30d
D
DomainDNADeveloper tools
DomainDNA: Domain tech stack, email provider, SPF/DMARC and age, up to 10 domains a call.
Basedomaindna-api.cybermax-tools.workers.dev
from $0.005
1 endpoint
0
calls / 30d
D
DomainCheckAI & agents
Domain trust report for AI agents: is this domain real, how old is it, who registered it, and is its email locked down? DNS (A/AAAA/NS/MX/CAA), DNSSEC, SPF, DMARC, DKIM (common selectors), MTA-STS, TLS-RPT, BIMI, RDAP registration date + registrar + status, parking and disposable detection, risk flags, 0-100 score and verdict. Public DNS + RDAP, no data stored.
Basedomaincheck.agentgate.workers.dev
from $0.001
2 endpoints
0
calls / 30d
D
domain-parser.nordman-tehau.workers.devDeveloper tools
Split a domain into TLD/SLD/subdomain using the official Public Suffix List
Basedomain-parser.nordman-tehau.workers.dev
from $0.001
1 endpoint
0
calls / 30d
D
domain-osintCrypto & DeFi
AgentDiet Semantic Distillation (/v1/distill) — Strips 85-97% of HTML token bloat
Basedomain-osint.agentdiet.dev
from Free
5 endpoints
0
calls / 30d
D
domain-osintCrypto & DeFi
Universal A2A & MCP Tool Discovery, Safe-Proxy & Swarm Router (/v1/x402-broker) — Single-connection meta-router indexing 500+ MCP servers & A2A tools with 85% token compression and Prompt-Guard firewall.
Basedomain-osint-72343955726.us-central1.run.app
from Free
5 endpoints
0
calls / 30d
D
domain-intelligence.nordman-tehau.workers.devDeveloper tools
Domain registration lookup (RDAP, modern WHOIS replacement): registrar, registration date, domain age, expiration date, status
Basedomain-intelligence.nordman-tehau.workers.dev
from $0.001
2 endpoints
0
calls / 30d
D
dnsdomain.hergertsynthora.comDeveloper tools
Provide a public domain, HTTP(S) URL or email to retrieve Google DNS and RDAP observations. Returns DNS record sets, provider DNSSEC AD flag, registration metadata, capture times and per-query gaps. Failed queries remain unknown rather than absent. AD and descriptive hygiene fields do not certify domain security, ownership or legitimacy.
Basednsdomain.hergertsynthora.com
from $0.001
1 endpoint
0
calls / 30d
T
tld-info-mySearch & web
A record of autodiscover.<domain>: looks up the autodiscover host under the domain you give (A via Cloudflare DoH) and reports whether it exists, its records and TTL. Quick existence check for common hosts like autodiscover without enumerating subdomains. $0.01 per lookup.
Basedns.intel.rallylive.ca
from $0.01
489 endpoints
0
calls / 30d
D
dns-lookup.x402.paysponge.comDeveloper tools
Service: DNS Record & Whois Lookup (https://dns-lookup.x402.paysponge.com/)
Basedns-lookup.x402.paysponge.com
from $0.01
1 endpoint
0
calls / 30d

Service data comes from the Coinbase CDP and PayAI discovery lists and refreshes every few hours. Usage is paid calls over the last 30 days. APIs launched here are verified by us; the rest are paid directly to their owners.