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

C
c2pa.mppfy.comOther services
No description yet.
Basec2pa.mppfy.com
from $0.01
1 endpoint
0
calls / 30d
B
BTC Tx ToolkitOther services
Bitcoin PSBT analyzer (BIP174/370, base64 or hex): total in/out, absolute fee and fee rate (sat/vB), high-fee sanity warnings, dust outputs, change detection (BIP32-derived outputs), RBF signaling, signed/finalized status. Read-only; nothing is broadcast or stored.
Basebtc-tx-toolkit.stackstats.workers.dev
from $0.001
3 endpoints
0
calls / 30d
B
BlueBreath x402 SellerOther services
Deterministic canonical JSON + SHA-256 fingerprint
Basebr-green-truth-aumezwo2-bluebreathx402.compute.c-10.us-east-1.aws.neon.tech
from $0.001
1 endpoint
0
calls / 30d
Card BIN Lookup x402Other services
Card BIN Lookup x402 — Multi-signal verification - assess a BIN together with IP, phone, IBAN and address
Basebinx402.com
from $0.01
2 endpoints
0
calls / 30d
B
beta.vaultlayer.xyzOther services
No description yet.
Basebeta.vaultlayer.xyz
from $0.50
1 endpoint
0
calls / 30d
B
BaseGasOther services
Returns current Base EIP-1559 gas tiers and congestion metrics.
Basebaseshield-x402-ojil.vercel.app
from $0.01
1 endpoint
0
calls / 30d
B
BaseNFTOther services
Floor pricing unavailable: no marketplace provider configured; returns 503 without settlement.
Basebasenft-x402.vercel.app
from $0.01
1 endpoint
0
calls / 30d
BaseLensOther services
Current Base gas: base fee, gas price, suggested EIP-1559 max fee and priority fee (gwei), block fullness, and cost of a plain ETH transfer.
Basebaselens-api.vercel.app
from $0.001
1 endpoint
0
calls / 30d
B
based-canvas.vercel.appOther services
No description yet.
Basebased-canvas.vercel.app
from $0.69
1 endpoint
0
calls / 30d
B
based-canvas-afd317v2v-howards-projects-b5e2d62b.vercel.appOther services
No description yet.
Basebased-canvas-afd317v2v-howards-projects-b5e2d62b.vercel.app
from $0.69
1 endpoint
0
calls / 30d
B
based-canvas-75dvizn99-howards-projects-b5e2d62b.vercel.appOther services
No description yet.
Basebased-canvas-75dvizn99-howards-projects-b5e2d62b.vercel.app
from $0.69
1 endpoint
0
calls / 30d
B
baldx402.lolOther services
No description yet.
Basebaldx402.lol
from $1.00
1 endpoint
0
calls / 30d
B
badhttpOther services
badhttp /402/pay: a real x402 v2 paywall for testing clients. Pay 0.01 USDC on Base mainnet and get a 200 with a PAYMENT-RESPONSE receipt and the transaction hash. Nothing else is sold; sibling endpoints under /402 misbehave on purpose.
Basebadhttp.dev
from $0.01
1 endpoint
0
calls / 30d
B
backup.ragradar.spaceOther services
No description yet.
Basebackup.ragradar.space
from $0.001
12 endpoints
0
calls / 30d
A
azimuth.dayOther services
List the paying account’s receiver nodes with status and points. Returns live nodes only by default; pass include_inactive=true to return every node including decommissioned ones, each with an added liveness field derived from the most recent heartbeat or observation (online | offline | never | decommissioned).
Baseazimuth.day
from $0.001
1 endpoint
0
calls / 30d
A
axixixia.vercel.appOther services
No description yet.
Baseaxixixia.vercel.app
from $0.01
8 endpoints
0
calls / 30d
A
axiaxai.vercel.appOther services
No description yet.
Baseaxiaxai.vercel.app
from $0.01
11 endpoints
0
calls / 30d
A
AuthiChainOther services
Paid evidence check for agents: signed record, machine-readable verification result, explicit unknowns, and a settlement receipt. A valid signature is not real-world truth.
Baseauthichain.com
from $0.05
2 endpoints
0
calls / 30d
A
appraxa-ip.b-kohlenbach.workers.devOther services
No description yet.
Baseappraxa-ip.b-kohlenbach.workers.dev
from $0.99
1 endpoint
0
calls / 30d
A
apipapai.vercel.appOther services
No description yet.
Baseapipapai.vercel.app
from $1.00
1 endpoint
0
calls / 30d
A
apidashboard.xclaw.infoOther services
No description yet.
Baseapidashboard.xclaw.info
from $1.00
3 endpoints
0
calls / 30d
A
api.zuluworksai.comOther services
No description yet.
Baseapi.zuluworksai.com
from $0.001
5 endpoints
0
calls / 30d
A
api.xcache.ioOther services
No description yet.
Baseapi.xcache.io
from $0.50
1 endpoint
0
calls / 30d
W
WitnessoryOther services
Up to 20 fresh post-quantum checks in one request, each signed
Baseapi.witnessory.org
from $0.10
1 endpoint
0
calls / 30d
A
api.vinoandviews.onlineOther services
Deterministic read-only spend policy verdict for amount, destination, and approval ceiling. Caller supplies policy; unknown targets require review.
Baseapi.vinoandviews.online
from $0.15
1 endpoint
0
calls / 30d
A
api.vindexapi.devOther services
No description yet.
Baseapi.vindexapi.dev
from $0.01
1 endpoint
0
calls / 30d
A
api.syntalic.comOther services
Analyst/market-level query - $0.02 per request
BaseSolanaapi.syntalic.com
from $0.01
23 endpoints
0
calls / 30d
A
api.streamformation.comOther services
No description yet.
Baseapi.streamformation.com
from $1.00
1 endpoint
0
calls / 30d
A
api.shoal.xyzOther services
Top signal events ranked by score
Baseapi.shoal.xyz
from $0.05
2 endpoints
0
calls / 30d
A
api.salt19.comOther services
Query recent USGS earthquake events by lookback window and minimum magnitude and return compact live event state.
Baseapi.salt19.com
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.