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

555 results

Most used Rising Most payers Newest Cheapest A–Z

AlionData & research
Companies by industry, country, size, technology and hiring: A list of companies narrowed by any of those filters, each row with its basic card; a slice can be added to every row.
BaseSolanaEthereumalion.io
from $0.01
3 endpoints
0
calls / 30d
A
aijobsboom-x402.sonofgus.workers.devData & research
Weekly US blue-collar job-market snapshot: oilfield, mining, data-center construction; trade counts, wage floors with sample sizes, per-diem/travel/sign-on flags, rig count, EIA prices, grid demand, aggregator share, verified buildout announcements. Updated Sundays.
Solanaaijobsboom-x402.sonofgus.workers.dev
from $0.01
1 endpoint
0
calls / 30d
ai-computeAI & agents
Hourly GPU rental mark history for correlation against an RTO, spread, or later spot. when an agent should use this: it needs a past window of smoothed marks, not the latest print alone.
Solanaai-compute-production.up.railway.app
from $0.01
3 endpoints
0
calls / 30d
A
agentvet.themonexus.comAI & agents
Agent Vetting Bureau — Static security dossier of an MCP server / agent endpoint: endpoints, data flows, network calls, exfil signals, permissions requested, deterministic reputation score. Params: url (http/https).
Solanaagentvet.themonexus.com
from $0.01
3 endpoints
0
calls / 30d
A
agenthustle.aiAI & agents
No description yet.
BaseSolanaagenthustle.ai
from $0.0012
7 endpoints
0
calls / 30d
A
agentfx.funCrypto & DeFi
Alphaᶠˣ Momentum Read — One-paragraph momentum read on any Solana token or ticker.
Solanaagentfx.fun
from $0.002
3 endpoints
0
calls / 30d
A
auto-fiatAI & agents
Cheapest model meeting a quality bar and top 10 by value
Solanaaf-x402.auto-fiat.workers.dev
from $0.01
2 endpoints
0
calls / 30d
A
adenological-kenya-emphatically.ngrok-free.devOther services
No description yet.
Solanaadenological-kenya-emphatically.ngrok-free.dev
from $0.001
1 endpoint
0
calls / 30d
1
1mpixels-one.vercel.appOther services
1mpixels tile 3,0: 100 permanent pixels on a 1,000,000 pixel canvas that only agents can buy.
Solana1mpixels-one.vercel.app
from $0.01
2 endpoints
0
calls / 30d
0
01a046b2-7104-74c2-8a02-04715d7235e1-r5wpl3p4c-xai-org.vercel.appCrypto & DeFi
Claude inference. GET this URL → HTTP 402 $0.001 USDC Solana. Pay, retry PAYMENT-SIGNATURE, get JSON. POST {message, modelId} for a full Claude reply. claude, anthropic, inference. Models: anthropic/claude-opus-5 $0.009, anthropic/claude-sonnet-5 $0.006, anthropic/claude-fable-5.1 $0.007, anthropic/claude-fable-5 $0.00
Solana01a046b2-7104-74c2-8a02-04715d7235e1-r5wpl3p4c-xai-org.vercel.app
from $0.006
1 endpoint
0
calls / 30d
0
01a046b2-7104-74c2-8a02-04715d7235e1-odi2maj6s-xai-org.vercel.appCrypto & DeFi
Cheap LLM inference. GET this URL → HTTP 402 $0.001 USDC Solana. Pay, retry PAYMENT-SIGNATURE, get JSON. POST {message, modelId} for Gemma / Nemotron / free OpenRouter. inference, cheap llm, gemma. Models: openrouter/free $0.001, google/gemma-4-31b-it:free $0.001, google/gemma-4-26b-a4b-it:free $0.001, nvidia/nemotron-
Solana01a046b2-7104-74c2-8a02-04715d7235e1-odi2maj6s-xai-org.vercel.app
from $0.001
1 endpoint
0
calls / 30d
0
01a046b2-7104-74c2-8a02-04715d7235e1-mj99ttjfh-xai-org.vercel.appCrypto & DeFi
Claude inference. GET this URL → HTTP 402 $0.001 USDC Solana. Pay, retry PAYMENT-SIGNATURE, get JSON. POST {message, modelId} for a full Claude reply. claude, anthropic, inference. Models: anthropic/claude-opus-5 $0.009, anthropic/claude-sonnet-5 $0.006, anthropic/claude-fable-5.1 $0.007, anthropic/claude-fable-5 $0.00
Solana01a046b2-7104-74c2-8a02-04715d7235e1-mj99ttjfh-xai-org.vercel.app
from $0.007
1 endpoint
0
calls / 30d
0
01a046b2-7104-74c2-8a02-04715d7235e1-jmkrdwwwr-xai-org.vercel.appCrypto & DeFi
Claude inference. GET this URL → HTTP 402 $0.001 USDC Solana. Pay, retry PAYMENT-SIGNATURE, get JSON. POST {message, modelId} for a full Claude reply. claude, anthropic, inference. Models: anthropic/claude-opus-5 $0.009, anthropic/claude-sonnet-5 $0.006, anthropic/claude-fable-5.1 $0.007, anthropic/claude-fable-5 $0.00
Solana01a046b2-7104-74c2-8a02-04715d7235e1-jmkrdwwwr-xai-org.vercel.app
from $0.009
1 endpoint
0
calls / 30d
0
01a046b2-7104-74c2-8a02-04715d7235e1-hktfmuhfi-xai-org.vercel.appCrypto & DeFi
Claude inference. GET this URL → HTTP 402 $0.001 USDC Solana. Pay, retry PAYMENT-SIGNATURE, get JSON. POST {message, modelId} for a full Claude reply. claude, anthropic, inference. Models: anthropic/claude-opus-5 $0.009, anthropic/claude-sonnet-5 $0.006, anthropic/claude-fable-5.1 $0.007, anthropic/claude-fable-5 $0.00
Solana01a046b2-7104-74c2-8a02-04715d7235e1-hktfmuhfi-xai-org.vercel.app
from $0.009
1 endpoint
0
calls / 30d
0
01a046b2-7104-74c2-8a02-04715d7235e1-1aw0hwejp-xai-org.vercel.appCrypto & DeFi
Claude inference. GET this URL → HTTP 402 $0.001 USDC Solana. Pay, retry PAYMENT-SIGNATURE, get JSON. POST {message, modelId} for a full Claude reply. claude, anthropic, inference. Models: anthropic/claude-opus-5 $0.009, anthropic/claude-sonnet-5 $0.006, anthropic/claude-fable-5.1 $0.007, anthropic/claude-fable-5 $0.00
Solana01a046b2-7104-74c2-8a02-04715d7235e1-1aw0hwejp-xai-org.vercel.app
from $0.009
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.