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

147 results

Most used Rising Most payers Newest Cheapest A–Z

A
api.quantoracle.devOther services
QuantOracle: /v1/risk/full-analysis
BaseSolanaapi.quantoracle.dev
from $0.04
1 endpoint
2
2 payers
A
api.borisinc.comOther services
No description yet.
BaseSolanaPolygon+1api.borisinc.com
from $0.001
1 endpoint
2
2 payers
P
Portfolio StatsOther services
Rolling mean return and rolling annualized volatility over a window, from a price or return series you supply.
BaseSolanaPolygon+1portfolio-stats.x402tookit.com
from $0.02
1 endpoint
2
1 payers
P
Physics CalculatorsOther services
Blackbody radiation: Wien peak wavelength and frequency, Stefan-Boltzmann power per area, and total power for an area or sphere.
BaseSolanaPolygon+1physics-calc.x402tookit.com
from $0.02
1 endpoint
2
1 payers
X
x402.dtelecom.orgOther services
Purchase microcredits for gateway services
BaseSolanax402.dtelecom.org
from $5.00
1 endpoint
1
1 payers
S
Supplier CheckOther services
Screen a US-listed company by CIK: severe 8-K items, late-filing notices, going-concern wording, LEI status. Never says safe.
BaseSolanaPolygon+1supplier-check.x402tookit.com
from $0.75
1 endpoint
1
1 payers
SolarPulseOther services
Rooftop solar estimate for a US address: system size, monthly and annual production (NASA POWER), utility rate (EIA-861 2024), installed cost (LBNL Tracking the Sun), payback, 25-year savings and the 2026 federal credit status.
BaseSolanasolarpulse.waltsoft.net
from $0.10
1 endpoint
1
1 payers
S
Sun, Moon and PlanetsOther services
Sunrise, sunset, solar noon, three twilights, golden and blue hour for a lat/lon and date; handles polar day and night.
BaseSolanaPolygon+1sky-calc.x402tookit.com
from $0.02
1 endpoint
1
1 payers
SitePulseOther services
Has this place been built on or cleared in the last 12 months? Sentinel-2 satellite change detection for any lat/lon: NDVI/NDBI deltas, change direction, confidence and the scene-by-scene evidence.
BaseSolanasitepulse.waltsoft.net
from $1.50
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
A
api.trustboost.devOther services
PII sanitization — pay-per-call entry point
BaseSolanaapi.trustboost.dev
from $0.01
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
x402email.comOther services
No description yet.
Solanax402email.com
from $1.00
1 endpoint
0
calls / 30d
X
x402api.vercel.appOther services
No description yet.
Solanax402api.vercel.app
from $0.02
1 endpoint
0
calls / 30d
X
x402.memento.moneyOther services
No description yet.
Solanax402.memento.money
from $5.00
1 endpoint
0
calls / 30d
X
x402.disputetracker.xyzOther services
No description yet.
Solanax402.disputetracker.xyz
from $0.001
5 endpoints
0
calls / 30d
X
x402.atomicstream.netOther services
No description yet.
Solanax402.atomicstream.net
from $0.15
2 endpoints
0
calls / 30d
X
x402.api.agentmail.toOther services
Service: AgentMail API (https://api.paysponge.com/v0/lists/send/block)
SolanaBasex402.api.agentmail.to
from Free
6 endpoints
0
calls / 30d
X
x402-x.madnodes.xyzOther services
No description yet.
Solanax402-x.madnodes.xyz
from $0.05
10 endpoints
0
calls / 30d
X
x402-tools-seven.vercel.appOther services
No description yet.
Solanax402-tools-seven.vercel.app
from $1.00
2 endpoints
0
calls / 30d
X
x402-earn-server.onrender.comOther services
Self-test endpoint to trigger x402 listing using wSOL
Solanax402-earn-server.onrender.com
—
1 endpoint
0
calls / 30d
W
wolframalpha.x402.paysponge.comOther services
Service: Wolfram Alpha (https://wolframalpha.x402.paysponge.com/v1/simple)
BaseSolanawolframalpha.x402.paysponge.com
from $0.01
3 endpoints
0
calls / 30d
V
vizor-api.vercel.appOther services
No description yet.
Solanavizor-api.vercel.app
from $0.01
2 endpoints
0
calls / 30d
T
tropir.xyzOther services
No description yet.
Solanatropir.xyz
from $0.10
1 endpoint
0
calls / 30d
T
terminal.themonexus.comOther services
Monexus Terminal API — One thread with its items: /api/v1/thread/{id}.
Solanaterminal.themonexus.com
from $0.001
26 endpoints
0
calls / 30d
S
service402api-production.up.railway.appOther services
No description yet.
Solanaservice402api-production.up.railway.app
from $1.00
6 endpoints
0
calls / 30d
S
screenshotone.x402.paysponge.comOther services
Service: ScreenshotOne (https://screenshotone.x402.paysponge.com/take)
SolanaBasescreenshotone.x402.paysponge.com
from $0.02
2 endpoints
0
calls / 30d
R
rentcheck.themonexus.comOther services
RentCheck — Fair-rent band + levy/utilities benchmark + fraud flags for one address/suburb. Params: address= (optional) and suburb= (required). Deterministic output from the honest seed benchmark DB.
Solanarentcheck.themonexus.com
from $0.01
1 endpoint
0
calls / 30d
R
rentcast.x402.paysponge.comOther services
Service: RentCast (https://rentcast.x402.paysponge.com/properties/test)
SolanaBaserentcast.x402.paysponge.com
from $0.01
8 endpoints
0
calls / 30d
R
ratchetx.xyzOther services
Buy a single-use RatchetX ranked-arena entry claim. The full toll goes directly to the current daily champion; RatchetX takes 0%.
Solanaratchetx.xyz
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.