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

All projects

915 results

Most used Rising Most payers Newest Cheapest A–Z

X
x402.asksurf.aiAI & agents
No description yet.
BaseSolanax402.asksurf.ai
from $0.20
4 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-toolboxCrypto & DeFi
Driving route between two coordinates via OSRM (OpenStreetMap): distance km, duration, road summary. Free public router, no key.
BaseSolanaX Layerx402-toolbox.shablony-pro.workers.dev
from $0.002
3 endpoints
0
calls / 30d
X
x402-secure-api.t54.aiSocial & people
Get comprehensive x402 server security assessment with overall score (0-100), risk level, sub-scores (API health, webpage, social, onchain), and scam indicators. Ideal for pre-transaction safety validation. Price: $0.01 USDC
BaseSolanax402-secure-api.t54.ai
from $0.001
9 endpoints
0
calls / 30d
X
x402-secure-api-staging.t54.aiAI & agents
No description yet.
Solanax402-secure-api-staging.t54.ai
from $0.10
1 endpoint
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
X
x402 DoctorCrypto & DeFi
Is this x402 endpoint safe to pay? Check it before your AI agent pays: go / caution / no_go, the recommended payment option, and why (payment would fail, over your budget, price above advertised, not HTTPS, unknown token). Never pays the endpoint. Cached 10 min.
Solanax402-doctor.onrender.com
from $0.001
1 endpoint
0
calls / 30d
X
x402-agent-tollbooth.onrender.comAI & agents
Automated Smart Contract Bytecode & Exploit Auditor.
Solanax402-agent-tollbooth.onrender.com
from $0.001
4 endpoints
0
calls / 30d
A
AccelerometerCrypto & DeFi
Use this when you need AI progress as it stood on a past date: the reading of the same 129 series (benchmarks, compute, AGI prediction-market odds, model pricing, AI stocks, energy, space, robotics, research output) taken on YYYY-MM-DD. Dated ids are listed free at /. Same per-series shape as /ai-progress/latest, so you can diff dates yourself; /ai-progress/what-changed does the diff for you. Unkn
Solanax402-accelerometer-feed.fly.dev
from $0.001
8 endpoints
0
calls / 30d
X
x-research.suzi.tradeData & research
Up to 100 recent posts from caller-supplied accounts.
Solanax-research.suzi.trade
from $0.005
8 endpoints
0
calls / 30d
X
x-research-x402-n3ak8.ondigitalocean.appSocial & people
Read a single stripped tweet object.
Solanax-research-x402-n3ak8.ondigitalocean.app
from $0.005
1 endpoint
0
calls / 30d
X
x-data-gateway.annushka1190.workers.devAI & agents
MCP tools/call gas_base: Current gas price on Base from public RPC (wei + gwei). Optional query network=base for schema probes. e.g. GET /v1/gas/base
BaseSolanax-data-gateway.annushka1190.workers.dev
from $0.001
21 endpoints
0
calls / 30d
W
wurkapi.funCrypto & DeFi
Solana X Raid (custom) — one payment creates a custom cluster. Retry with PAYMENT-SIGNATURE to settle.
BaseSolanawurkapi.fun
from $0.001
29 endpoints
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
C
Crypto PreiseCrypto & DeFi
Aktuelle Coinbase-Preise fuer BTC, SOL und SHIB in USDC
Solanawerner.ddns.net
from $0.001
5 endpoints
0
calls / 30d
SwogeAgenticImages, audio & video
Use this when a question needs several of these tools chained together and a written answer, for example comparing tokens or researching a launcher. Price: $0.541 in USDC on Base, or $0.550862 in USDG or $SWOGE on Robinhood Chain (tool price + settlement cost, minimum $0.02).
BaseSolanaweb-production-220a3.up.railway.app
from $0.003
23 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
V
ventis-production.up.railway.appCrypto & DeFi
Ventis market_brief: one-call crypto snapshot (global stats, sentiment, movers, trending, funding) over MCP.
Solanaventis-production.up.railway.app
from $0.004
2 endpoints
0
calls / 30d
V
v402pay.onvoyage.aiCrypto & DeFi
Pay $0.01 to unlock "Crypto Market Trends: Regulation, Innovation, and ..."
Solanav402pay.onvoyage.ai
from $0.01
5 endpoints
0
calls / 30d
T
TxWhyCrypto & DeFi
Repair a failing Solana transaction: exact cause, rebuilt unsigned transaction, simulation proof, verification.
Solanatxwhy.vercel.app
from $0.001
1 endpoint
0
calls / 30d
T
tropir.xyzOther services
No description yet.
Solanatropir.xyz
from $0.10
1 endpoint
0
calls / 30d
T
TrezaImages, audio & video
Clip a YouTube video: send a link, get its most shareable 30 to 60 second moment back as a captioned clip, cut on the speaker in 9:16 (or 4:5, 1:1, 16:9), with a title and caption to post it with. Priced by the source's length, from $0.04 (about $0.45 for an hour), up to 2 hours. No account or API key: the payment is the only credential.
Solanatrezalabs.com
from $0.02
6 endpoints
0
calls / 30d
Trench LessonsCrypto & DeFi
Trench Lessons: pre-trade risk flags for a Solana meme coin mint (curve-skip PumpSwap pool, unlocked LP, Mayhem mode, bundle handoff) from read-only on-chain data
SolanaBasetrench-lessons.vercel.app
from $0.005
3 endpoints
0
calls / 30d
T
trawl.runCrypto & DeFi
Solana archive scan, epochs 1059-1059 (1, 0.636 TB, preset kamino-lending), Parquet to R2, 7-day URL
Solanatrawl.run
from $4.00
1 endpoint
0
calls / 30d
T
tokensafe-production.up.railway.appCrypto & DeFi
No description yet.
Solanatokensafe-production.up.railway.app
from $0.008
1 endpoint
0
calls / 30d
T
TxGuardCrypto & DeFi
TxGuard: pre-sign safety check for AI-agent Solana wallets. POST an unsigned/partially-signed base64 transaction; returns mainnet simulation, your SOL/token deltas, ownership/authority changes, delegate approvals, System Assign drainer detection, unknown programs and an OK/REVIEW/BLOCK verdict.
Solanatokencheck.agent.deno.net
from $0.02
1 endpoint
0
calls / 30d
T
token-safety.50to50k.workers.devCrypto & DeFi
Solana token safety report: mint and freeze authorities, risky Token-2022 extensions (permanent delegate, transfer fee, transfer hook, pause, non-transferable), real sellability through a Jupiter sell quote with price impact at $100 and $1000, liquidity, holder concentration, pool age, and a 0-100 risk score with explained flags.
Solanatoken-safety.50to50k.workers.dev
from $0.01
2 endpoints
0
calls / 30d
R
RF Legality CheckCrypto & DeFi
RF band catalogue search: given a frequency or band name fragment, returns every matching band with range, region, uses and legality.
Solanatill.davidlightlabs.io
from $0.001
8 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.