Explore APIs

Every pay-per-call x402 API we can find, ranked by what agents actually pay for. No accounts, no API keys.

Projects: 4.5K
Paid endpoints: 106K
Paid calls · 30 days: 1M
Launched here: 0

AI & agents

5 results

Most used Rising Most payers Newest Cheapest A–Z

TaifoonAI & agents
OpenAI-compatible chat completion on 71 models: name one in `model` (llama-3.1-8b-instruct, l3-8b-lunaris-v1, mistral-small-24b-instruct-2501, gemma-3-4b-it, qwen2.5-7b-instruct, gpt-oss-20b, phi-4, gemma-3-12b-it, qwen3.5-9b, gemma-3-27b-it, gpt-oss-120b and 59 more) and the 402 prices that model per request; served by DeepInfra, Venice AI, NEAR AI Cloud and Taifoon's own GPU (nvidia/NVIDIA-Nemot
BaseArbitrumEVM chain 5042+3coord.taifoon.dev
from $0.001
12 endpoints
205
82 payers
A
api.dripmetrics.aiAI & agents
DripMetricsAI (api description at https://dripmetrics.ai/) provides on-demand market microstructure and risk metrics for agents and developers. Agents can pay per request via x402 and receive structured JSON metrics without subscriptions or API keys. VPIN measures volume-synchronized order-flow imbalance (an adverse-selection proxy, not a probability); see excessVpin. Discovery examples use the la
BaseRobinhood Chainapi.dripmetrics.ai
from $0.05
11 endpoints
50
17 payers
TechAnalysisAI & agents
Full technical analysis — 18 indicators + AI signal summary
BaseSolanaRobinhood Chain+1ta.lonestaroracle.xyz
from $0.05
2 endpoints
12
6 payers
X
x402.momusai.ioAI & agents
Momus US-midterms 2026 model: Senate and House control probabilities and seat distributions from a correlated Monte Carlo (20,000 draws, shared national swing + race noise, ratings + polling layer), priced against the live Polymarket and Kalshi contracts with Momus's edge per market. Weekly run.
BaseRobinhood Chainx402.momusai.io
from $0.05
4 endpoints
6
6 payers
BrainChainAI & agents
Jev hires a model for your task and grades the result. Rejected work is refunded.
Robinhood ChainBasebrain.usebrainchain.com
from $1.00
1 endpoint
3
2 payers

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.