BlockRun
Per call. Per token. No subscription.

The payment rail
for AI agents.

Chat, image, video, and voice — plus live data, premium tools, and sandboxed compute. One endpoint, payment built in, settled in USDC on Base & Solana. No API keys.

Live / on-chain, Base
14,650,000
transactions settled
ModelAmountAge
Listening for on-chain payments…
81 models · 100 data & tool APIsVerify on Basescan ↗Live feed →
BlockRun MCP · in the terminal

Watch an agent
pay its way.

A Claude Code session with BlockRun MCP installed — real tool names, real model IDs, real prices. The agent asks, the call settles in USDC, the receipt is on-chain.

claude code · mcp
get a second opinion on this race condition from GPT-5.6
blockrun_chat(model: "openai/gpt-5.6-sol", prompt: "review queue/worker.ts — workers occasionally double-claim jobs…")
402 → signed USDC auth → verified
"Two workers can read status='pending' before either UPDATE lands. Move the claim check inside the row lock — SELECT … FOR UPDATE SKIP LOCKED."
$0.0042 · settled on Base · 0x8f2a…c41d
AI model gateway

81 models.
One endpoint.

Chat, image, video, and music — one OpenAI-compatible API. Provider cost + 5% margin at settlement. No subscriptions, no minimum spend, no vendor lock-in.

FreeTry without paying — no card, no signup
modelprovin / out · 1M
Claude Fable 5
anthropic$10.00 / $50.00
GPT-5.6 Sol
openai$5.00 / $30.00
Claude Opus 4.8
anthropic$5.00 / $25.00
Claude Sonnet 5
anthropic$3.00 / $15.00
Gemini 3.1 Pro
google$2.00 / $12.00
Gemini 3.5 Flash
google$0.50 / $3.00
Enterprise

AI infrastructure
for teams.

Budget controls, usage analytics, team management, and dedicated support for production AI deployments.

Budget controls
Per-key spend caps, hard limits, alerts
Usage analytics
Per-team, per-model, per-call attribution
Team management
SSO, roles, audit log, key rotation
Dedicated support
Slack channel, SLA, named CSM
We don't share your data

No training, no retention beyond the request. Privacy policy →

No accounts, no KYC

Wallet in, prompt out. Pseudonymous by default.

Open-source SDKs, MIT

Audit the wire format on npm and PyPI.

Ship today

No keys. No subscriptions.
Just pay-per-call.