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

3,044 results

Most used Rising Most payers Newest Cheapest A–Z

N
nut402.vercel.appOther services
No description yet.
Basenut402.vercel.app
from $0.01
2 endpoints
0
calls / 30d
N
notary-solana.forgemesh.ioCrypto & DeFi
No description yet.
Solananotary-solana.forgemesh.io
from $0.001
2 endpoints
0
calls / 30d
N
Northline WebKitCrypto & DeFi
Is this URL up? HTTP status, full redirect chain, final URL, response time, content type, server/CDN and a security-headers grade (HSTS, CSP, X-Frame-Options...).
Basenorthline-webkit.northline-c86.workers.dev
from $0.001
9 endpoints
0
calls / 30d
N
Northline ChainKitCrypto & DeFi
Preflight any address on Base or Arc before paying or approving it: EOA vs contract vs EIP-7702-delegated wallet, EIP-1967 proxy implementation/admin, owner(), Safe multisig threshold, ERC-20 metadata, USDC + native balance, Sourcify verification, and risk flags.
Basenorthline-chainkit.northline-c86.workers.dev
from $0.001
5 endpoints
0
calls / 30d
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
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
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
nanoapi.orgImages, audio & video
Compress images to reduce file size with configurable quality. A photo compressed to quality 30 is typically 90-95% smaller with acceptable visual quality. Useful for reducing storage costs, optimizing web page load times, preparing image uploads, and bandwidth reduction for mobile users. Accepts PNG, JPEG, WebP, AVIF. Returns JPEG.
Solanananoapi.org
from $0.01
3 endpoints
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
C
Claw HunterImages, audio & video
OpenAI compatible image generation and editing on 20 models (GPT Image 2.6 Flare, GPT Image 2.6 Sunburst, Nano Banana Pro, more), billed per image at about half of provider list. Optional preset styles and a character builder. Menu, prices, and per-model options at GET /api/v1/media/models (free).
Solanamystudios.fun
from $0.005
2 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-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
MOSN Token SafetyCrypto & DeFi
Solana token rug/safety check: mint & freeze authority, dangerous Token-2022 settings, real-wallet holder concentration (pools excluded), sell-route round-trip test, live buy/sell flow. Verdict SAFE/CAUTION/DANGER with reasons.
Solanamosn-api.mosn-3r41y.workers.dev
from $0.005
3 endpoints
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
moltbrain-x402-server-production-6c25.up.railway.appOther services
No description yet.
Basemoltbrain-x402-server-production-6c25.up.railway.app
from $0.01
4 endpoints
0
calls / 30d
M
MNEMOS by ScriptMasterLabsAI & agents
MNEMOS 25-delta volatility smile for one symbol
Basemnemos-agent.onrender.com
from $0.001
9 endpoints
0
calls / 30d
M
mm-agent-utilsCrypto & DeFi
Lint any x402 endpoint before you pay it: fetches the unpaid 402 challenge (v1 body or v2 PAYMENT-REQUIRED header), decodes price/network/asset/payTo, flags non-USDC assets, testnets, missing bazaar metadata and malformed fields.
Basemm-agent-utils.gferrigno.deno.net
from $0.001
3 endpoints
0
calls / 30d
M
mint.memebox.ccOther services
No description yet.
Basemint.memebox.cc
from $0.01
4 endpoints
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.