Explore APIs

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

Projects: 4.4K
Paid endpoints: 87K
Paid calls · 30 days: 885K
Launched here: 0

Other services

886 results

Most used Rising Most payers Newest Cheapest A–Z

M
mr-river6.makar52nn2016.workers.devOther services
Money Reactor paid API - catalog: https://mr-river6.makar52nn2016.workers.dev/.well-known/x402.json
Basemr-river6.makar52nn2016.workers.dev
from $0.001
4 endpoints
1
1 payers
M
mr-river5.makar52nn2016.workers.devOther services
Money Reactor paid API - catalog: https://mr-river5.makar52nn2016.workers.dev/.well-known/x402.json
Basemr-river5.makar52nn2016.workers.dev
from $0.001
4 endpoints
1
1 payers
M
mr-river4.makar52nn2016.workers.devOther services
Money Reactor paid API - catalog: https://mr-river4.makar52nn2016.workers.dev/.well-known/x402.json
Basemr-river4.makar52nn2016.workers.dev
from $0.001
4 endpoints
1
1 payers
M
mr-river3.makar52nn2016.workers.devOther services
Money Reactor paid API - catalog: https://mr-river3.makar52nn2016.workers.dev/.well-known/x402.json
Basemr-river3.makar52nn2016.workers.dev
from $0.001
4 endpoints
1
1 payers
M
mr-river2.makar52nn2016.workers.devOther services
Money Reactor paid API - catalog: https://mr-river2.makar52nn2016.workers.dev/.well-known/x402.json
Basemr-river2.makar52nn2016.workers.dev
from $0.001
4 endpoints
1
1 payers
M
mr-river10.makar52nn2016.workers.devOther services
Money Reactor paid API - catalog: https://mr-river10.makar52nn2016.workers.dev/.well-known/x402.json
Basemr-river10.makar52nn2016.workers.dev
from $0.001
4 endpoints
1
1 payers
M
memory.fluidrack.comOther services
Create namespace
Basememory.fluidrack.com
from $0.01
1 endpoint
1
1 payers
M
melssa.comOther services
The 52 editorial Q&A entries
Basemelssa.com
from $0.50
1 endpoint
1
1 payers
L
Locus x402 ServicesOther services
Locus public pay-per-use API
Basejudge0.x402.paywithlocus.com
from $0.005
1 endpoint
1
1 payers
I
imference.comOther services
Imference credits/add
Baseimference.com
from $1.00
1 endpoint
1
1 payers
H
http-security-headers-grade.x402supply.comOther services
Fetches a public http(s) URL (GET, up to 5 redirects, 10s timeout, body never read) and grades its security headers A+ to F. Returns score, present and missing headers, per-header findings with copy-paste fix values, and cookie flag issues.
Basehttp-security-headers-grade.x402supply.com
from $0.01
1 endpoint
1
1 payers
L
Locus x402 ServicesOther services
Locus public pay-per-use API
Basegrok.x402.paywithlocus.com
from $0.001
1 endpoint
1
1 payers
GridPulseOther services
US electricity grid — demand, generation mix (renewable/gas/nuclear), and stress signals across 7 regions
BaseSolanaEVM chain 5042grid.lonestaroracle.xyz
from $0.03
2 endpoints
1
1 payers
P
Point distanceOther services
Euclidean, Manhattan and Chebyshev distance between two 2-D points.
Basegeometry.openverbs.com
from $0.004
1 endpoint
1
1 payers
F
fractal-scaling-api.onrender.comOther services
Fractal scale operation - 0.02 USDC per successful request
Basefractal-scaling-api.onrender.com
from $0.02
1 endpoint
1
1 payers
D
dawn.xoghks.comOther services
Korean Christian dawn-prayer journal article: 2026-10-29 육체의 일과 성령의 열매
Basedawn.xoghks.com
from $0.01
1 endpoint
1
1 payers
C
calibration-court.onrender.comOther services
Paid (x402, USDC on Base). Fit isotonic calibration on YOUR labelled outcomes ({p,y} pairs) and recalibrate the given probabilities. Statele
Basecalibration-court.onrender.com
from $0.01
2 endpoints
1
1 payers
L
Locus x402 ServicesOther services
Locus public pay-per-use API
Basebuiltwith.x402.paywithlocus.com
from $0.06
1 endpoint
1
1 payers
A
api.trustboost.devOther services
PII sanitization — pay-per-call entry point
BaseSolanaapi.trustboost.dev
from $0.01
1 endpoint
1
1 payers
T
TEnergyOther services
65000 TRON energy, 1h rental, delivered to the receiver named in the quote
Baseapi.tenergy.me
from $0.46
1 endpoint
1
1 payers
P
PulseWatch Status APIOther services
PulseWatch Status API: Status of up to 25 vendors in one call (PulseWatch). Live status and active incidents for up to 25 SaaS vendors in one call (GitHub, Stripe, AWS and more). One JSON row per vendor. $0.05 USDC on Base.
Baseapi.pulsewatch.us
from $0.01
3 endpoints
1
1 payers
A
api.postopz.comOther services
Task-specific Avid assistant-editor implementation and QC checklist grounded in PostOpz Framework Vol. 1.
Baseapi.postopz.com
from $0.35
1 endpoint
1
1 payers
A
api.odilelabs.comOther services
No description yet.
Baseapi.odilelabs.com
from $1.00
1 endpoint
1
1 payers
A
api.nuasense.comOther services
County cropland extent: How much of each county is cropped, in percent and in square kilometres, plus the full land-cover breakdown behind it. Up to 100 rows per call, $0.10 USDC. Filters: country, county, class, level, source.
Baseapi.nuasense.com
from $0.10
1 endpoint
1
1 payers
Z
zero-daydynamics.comOther services
Username enumeration across major platforms (native Sherlock-style sweep).
SolanaBasezero-daydynamics.com
from $0.15
4 endpoints
0
calls / 30d
X
xyzuniversityxyz.vercel.appOther services
XYZ University — 2025/2026 academic session school fees. Grants access to course registration.
Basexyzuniversityxyz.vercel.app
from $0.001
1 endpoint
0
calls / 30d
X
xpay402.vercel.appOther services
No description yet.
Basexpay402.vercel.app
from $1.00
1 endpoint
0
calls / 30d
X
xinfos-x402-backend-production.up.railway.appOther services
No description yet.
Basexinfos-x402-backend-production.up.railway.app
from $0.01
4 endpoints
0
calls / 30d
X
x420.devOther services
No description yet.
Basex420.dev
from $1.00
3 endpoints
0
calls / 30d
X
x402pay.vercel.appOther services
No description yet.
Basex402pay.vercel.app
from $0.50
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.