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

4,273 results

Most used Rising Most payers Newest Cheapest A–Z

N
nodeset.regevidencehub.comOther services
Static compatibility comparison of baseline and candidate OPC UA NodeSet2 XML revisions. Not runtime interoperability or safety certification.
Basenodeset.regevidencehub.com
from $0.005
1 endpoint
0
calls / 30d
N
nininonchain.vercel.appOther services
No description yet.
Basenininonchain.vercel.app
from $1.00
1 endpoint
0
calls / 30d
N
nexuseval.vercel.appDeveloper tools
Marketing copy quality gate and pre-publish copy review for autonomous agents about to publish or send ad, landing-page, email, CTA, campaign or GTM copy. Returns a fast PASS/WARN/BLOCK verdict, claim-risk flags and prioritized fixes before release. Standard machine terms: https://nexuseval.vercel.app/terms.json 2026-08-29-v2.
Basenexuseval.vercel.app
from $0.01
1 endpoint
0
calls / 30d
N
Nexus ReaderOther services
Readable text from a public webpage
Basenexus-reader-4um6.onrender.com
from $0.01
1 endpoint
0
calls / 30d
NewsSentimentCrypto & DeFi
AI-powered news sentiment analysis for any ticker company or market topic
Basenews.lonestaroracle.xyz
from $0.05
1 endpoint
0
calls / 30d
N
neu-x402-api.fly.devData & research
Structured-data extraction for a target URL.
Baseneu-x402-api.fly.dev
from $0.005
1 endpoint
0
calls / 30d
N
nebulacomponents.shopOther services
No description yet.
Basenebulacomponents.shop
from $0.10
2 endpoints
0
calls / 30d
N
nebulacomponents.comOther services
Landing page conversion audit - submit a URL and receive scored conversion findings.
Basenebulacomponents.com
from $0.10
1 endpoint
0
calls / 30d
N
natsecintel.comSearch & web
Experimental AI search snippet summary with citations. 0.05 real USDC on Base.
Basenatsecintel.com
from $0.05
1 endpoint
0
calls / 30d
N
NamewhereSocial & people
Namewhere: Company name to official website domain, with confidence and evidence.
Basenamewhere.cybermaxtools.com
from $0.002
1 endpoint
0
calls / 30d
N
NamewhereSocial & people
Namewhere: Company name to official website domain, with confidence and evidence.
Basenamewhere.cybermax-tools.workers.dev
from $0.002
1 endpoint
0
calls / 30d
M
my-first-sigma-azure.vercel.appOther services
No description yet.
Basemy-first-sigma-azure.vercel.app
from $1.00
1 endpoint
0
calls / 30d
M
mvp.botpay.networkOther services
No description yet.
Basemvp.botpay.network
from $0.10
1 endpoint
0
calls / 30d
M
mr-river9.makar52nn2016.workers.devOther services
Multi-source bounty feed: Superteam Earn + LIVE GitHub + GitLab radar, trust >= 50 — one accepted bounty pays 4500x this call
Basemr-river9.makar52nn2016.workers.dev
from $0.10
4 endpoints
0
calls / 30d
M
mr-river8.makar52nn2016.workers.devOther services
Multi-source bounty feed: Superteam Earn + LIVE GitHub + GitLab radar, trust >= 50 — one accepted bounty pays 4500x this call
Basemr-river8.makar52nn2016.workers.dev
from $0.001
4 endpoints
0
calls / 30d
M
mr-river7.makar52nn2016.workers.devOther services
Multi-source bounty feed: Superteam Earn + LIVE GitHub + GitLab radar, trust >= 50 — one accepted bounty pays 4500x this call
Basemr-river7.makar52nn2016.workers.dev
from $0.02
4 endpoints
0
calls / 30d
M
mr-river6.makar52nn2016.workers.devOther services
Multi-source bounty feed: Superteam Earn + LIVE GitHub + GitLab radar, trust >= 50 — one accepted bounty pays 4500x this call
Basemr-river6.makar52nn2016.workers.dev
from $0.001
4 endpoints
0
calls / 30d
M
mr-river5.makar52nn2016.workers.devOther services
Multi-source bounty feed: Superteam Earn + LIVE GitHub + GitLab radar, trust >= 50 — one accepted bounty pays 4500x this call
Basemr-river5.makar52nn2016.workers.dev
from $0.001
4 endpoints
0
calls / 30d
M
mr-river4.makar52nn2016.workers.devOther services
Multi-source bounty feed: Superteam Earn + LIVE GitHub + GitLab radar, trust >= 50 — one accepted bounty pays 4500x this call
Basemr-river4.makar52nn2016.workers.dev
from $0.001
4 endpoints
0
calls / 30d
M
mr-river3.makar52nn2016.workers.devOther services
Multi-source bounty feed: Superteam Earn + LIVE GitHub + GitLab radar, trust >= 50 — one accepted bounty pays 4500x this call
Basemr-river3.makar52nn2016.workers.dev
from $0.001
4 endpoints
0
calls / 30d
M
mr-river2.makar52nn2016.workers.devOther services
Multi-source bounty feed: Superteam Earn + LIVE GitHub + GitLab radar, trust >= 50 — one accepted bounty pays 4500x this call
Basemr-river2.makar52nn2016.workers.dev
from $0.001
4 endpoints
0
calls / 30d
M
mr-river10.makar52nn2016.workers.devOther services
Multi-source bounty feed: Superteam Earn + LIVE GitHub + GitLab radar, trust >= 50 — one accepted bounty pays 4500x this call
Basemr-river10.makar52nn2016.workers.dev
from $0.01
4 endpoints
0
calls / 30d
M
mpp.hyreagent.funCrypto & DeFi
Full AI verdict on a Solana token combining holders, snipers, dev history, bonding curve, freeze/mint authority — single comprehensive risk score. Sources: Solana RPC + PumpPortal.
SolanaBasempp.hyreagent.fun
from $0.01
180 endpoints
0
calls / 30d
M
moviememo-production.up.railway.appOther services
No description yet.
Basemoviememo-production.up.railway.app
from $0.01
1 endpoint
0
calls / 30d
M
morsel.0x402.shOther services
No description yet.
Basemorsel.0x402.sh
from $0.01
4 endpoints
0
calls / 30d
I
is-fandom-com-downSocial & people
Change watch for is trello com down: runs the check, compares it with the result from your previous call for the same query (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.
Basemonitor.intel.rallylive.ca
from $0.01
14 endpoints
0
calls / 30d
M
moneyman_kitCrypto & DeFi
x402 402-lint: fetches a paid URL unpaid, decodes its 402 terms and checks v1/v2 shape, network, amount units, payTo, timeout, CORS, and extra.name/version against the token's on-chain EIP-712 domain.
Basemoneyman-kit-x402-0sd6av.openpouch.sh
from $0.005
4 endpoints
0
calls / 30d
MoneylabAI & agents
Full text and metadata for every published Moneylab post in one request, structured as JSON.
Basemoney-lab.app
from $0.01
5 endpoints
0
calls / 30d
M
money-agent-b4o0.onrender.comMarkets & finance
Return only new normalized SEC filing events since a supplied timestamp for one or more tickers.
Basemoney-agent-b4o0.onrender.com
from $0.03
1 endpoint
0
calls / 30d
M
mondoir.artAI & agents
Pay an owned Mondoir catalogue quote in native USDC, including shipping and applicable VAT. Agent bearer authentication and a fresh quote are required.
Basemondoir.art
from $1.05
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.