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

20 results

Most used Rising Most payers Newest Cheapest A–Z

X
x402.openwebninja.comOther services
No description yet.
BasePolygonArbitrumx402.openwebninja.com
from $0.003
42 endpoints
768
130 payers
K
kari.mayim-mayim.comOther services
Omikuji API
BasePolygonkari.mayim-mayim.com
from $0.01
5 endpoints
382
22 payers
H
hcrb.inOther services
Validate IBAN structure and MOD-97 checksum. Does not establish account ownership, beneficiary identity or absence of fraud.
BasePolygonAvalanche+2hcrb.in
from $0.005
46 endpoints
162
116 payers
S
SCVD General StoreOther services
Spot Check. REQUIRES ?host= on the paid request — a signed request without it is refused before the gate and no money moves. Name a host and get what this observatory already holds on it, signed: corpus rounds and verdicts as recorded, when we last actually knocked, our coverage of the window since we met it, and the gaps with their reasons. Read from the books at the counter — no request is made
BasePolygonArbitrum+3scvd.store
from $0.001
12 endpoints
111
41 payers
A
archtools.devOther services
Parse RSS/Atom feeds into structured JSON. Pay per call with USDC (x402) or credits - archtools.dev
BasePolygonarchtools.dev
from $0.01
18 endpoints
92
42 payers
T
transit.agentic-jp.comOther services
Live feed of every active rail disruption across the Japanese (JP) network in one call — delays and suspensions with bilingual summaries, refreshed continuously from ODPT. Built for MONITORING agents: poll on an interval (e.g. every 5 minutes) to maintain a nationwide incident watchlist without querying stations one by one.
BasePolygonSolanatransit.agentic-jp.com
from $0.001
3 endpoints
41
16 payers
H
Holiday Calendar APIOther services
Official public holidays by country and year, with regional subdivisions, localized names and normalized dates.
BasePolygonArbitrum+1holidays.use.x402atlas.com
from $0.005
5 endpoints
32
23 payers
J
Japan Business Day APIOther services
Japanese traditional calendar for a date: rokuyo (taian/butsumetsu... lucky days used for weddings, funerals, contracts), Japanese era (Reiwa) date, old lunisolar calendar date incl. leap months, 24 solar terms (sekki) and year eto. Verified against the National Astronomical Observatory of Japan.
PolygonBasejapan-business-day-api.matchan962.workers.dev
from $0.005
10 endpoints
28
28 payers
A
address.agentic-jp.comOther services
Japanese address normalization (住所正規化): standardize a JP address into clean prefecture / city / town / chome-banchi components. Fixes fullwidth/halfwidth digits, old-form kanji, and chome-banchi notation variants, and resolves the 7-digit postal code. Returns a 0-1 confidence score so agents can flag low-quality input. Use for address validation, cleansing, deduplication, and canonicalization befo
BasePolygonSolanaaddress.agentic-jp.com
from $0.001
5 endpoints
12
10 payers
P
Peru Rates and InflationOther services
Lima consumer price inflation — latest monthly CPI percentage change for Metropolitan Lima, Peru. Track inflation and purchasing power trends with the reference month.
BasePolygonArbitrum+1peru-macro.use.x402atlas.com
from $0.01
2 endpoints
12
7 payers
B
Brazil Rates and InflationOther services
Brazil IPCA inflation — latest monthly consumer-price change in percent. Track inflation and purchasing-power trends with the reference month.
BasePolygonArbitrum+1brazil-macro.use.x402atlas.com
from $0.01
2 endpoints
10
6 payers
U
UUID InspectorOther services
UUID inspector — parses any UUID (canonical, braces, URN or 32-hex form) and returns its version, variant, embedded timestamp for v1/v6/v7, nil/max flags, hex and URN forms. Use to validate identifiers or recover the creation time of UUIDv7 keys.
BasePolygonArbitrum+1uuid.use.x402atlas.com
from $0.005
2 endpoints
9
9 payers
F
FastPath Bitcoin APIOther services
Pay once to receive a short-lived WebSocket ticket for the live Bitcoin mempool stream.
BasePolygonArbitrum+1api.nativebtc.org
from $0.005
2 endpoints
9
8 payers
BorderScoutOther services
US border wait times: live CBP waits at all 85 US-Mexico and US-Canada land ports of entry, ranked by drive time plus wait for each lane (standard, SENTRI/NEXUS, Ready Lane, FAST) for passenger, commercial or pedestrian traffic. BorderScout
BaseArbitrumPolygon+2borderscout.scalpstream.com
from $0.01
1 endpoint
8
6 payers
A
api.borisinc.comOther services
No description yet.
BaseSolanaPolygon+1api.borisinc.com
from $0.001
1 endpoint
2
2 payers
X
x402.quicknode.comOther services
No description yet.
Polygonx402.quicknode.com
from $0.001
1 endpoint
0
calls / 30d
X
x402.payai.networkOther services
No description yet.
BasePolygonX Layer+1x402.payai.network
from $0.01
4 endpoints
0
calls / 30d
X
x402.nichospt.netOther services
No description yet.
Polygonx402.nichospt.net
from $0.0005
8 endpoints
0
calls / 30d
L
lokyai.comOther services
No description yet.
Polygonlokyai.com
from $0.0001
6 endpoints
0
calls / 30d
A
aviationapis.comOther services
No description yet.
Polygonaviationapis.com
from $0.01
14 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.