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blockrun.ai

AI chat completions API - pay per request with USDC on Base

Host	blockrun.ai
Price	$0.002–$5.00 per call
Network	Base
Paid endpoints listed	107
Calls, last 30 days*	94,221
Most unique payers on one endpoint (30 days)*	264
Last paid call*	2026-10-17
Tags	ai, inference, llm, gateway

* From the public x402 Bazaar index (snapshot 2026-10-17T23:56Z); reported by the facilitator, not measured by us.

Endpoints

URL	Method	Price
`https://blockrun.ai/api/v1/chat/completions` AI chat completions API - pay per request with USDC on Base	POST	$0.002
`https://blockrun.ai/api/v1/exa/answer` Get an AI-generated answer to a question grounded in live web search results.	POST	$0.01
`https://blockrun.ai/api/v1/exa/search` Neural and keyword web search. Optional category filter: company, research paper, news, pdf, github, tweet, personal…	POST	$0.01
`https://blockrun.ai/api/v1/exa/contents` Extract full text content from specific URLs. Priced at $0.002/URL — total = urls.length × $0.002.	POST	$0.003
`https://blockrun.ai/api/v1/images/generations` AI image generation API - pay per image with USDC on Base (hybrid sync/async)	POST	$0.04
`https://blockrun.ai/api/v1/messages` Anthropic-compatible Messages API — pay per token with USDC on Base	POST	$0.01
`https://blockrun.ai/api/v1/images/image2image` AI image editing API - edit images with USDC on Base	POST	$0.02
`https://blockrun.ai/api/v1/videos/generations` AI video generation API - pay per second with USDC on Base	POST	$0.40
`https://blockrun.ai/api/v1/pm/polymarket/markets` Query Polymarket markets with filtering, sorting, and pagination	GET	$0.0085
`https://blockrun.ai/api/v1/audio/sound-effects` AI sound effect generation (ElevenLabs) — pay per call with USDC on Base	POST	$0.05
`https://blockrun.ai/api/v1/search` Grok Live Search API - real-time web and news search	POST	$0.08
`https://blockrun.ai/api/v1/pm/polymarket/leaderboard` Get the global leaderboard of smart wallets	GET	$0.0085
`https://blockrun.ai/api/v1/audio/speech` AI text-to-speech (ElevenLabs) — pay per call with USDC on Base	POST	$0.05
`https://blockrun.ai/api/v1/pm/kalshi/markets` Query Kalshi markets with filtering, sorting, and pagination	GET	$0.0085
`https://blockrun.ai/api/v1/pm/polymarket/events` List Polymarket events with filtering and sorting	GET	$0.0085
`https://blockrun.ai/api/v1/modal/sandbox/create` Create a managed Python 3.11 sandbox. Two billing modes selected by 'timeout': ≤300s = flat rate (CPU $0.01, GPU…	POST	$0.01
`https://blockrun.ai/api/v1/pm/predictfun/markets` List Predict.Fun markets with filtering and sorting	GET	$0.0085
`https://blockrun.ai/api/v1/pm/polymarket/markets/keyset` List Polymarket markets with cursor-based keyset pagination (same filters as /polymarket/markets)	GET	$0.0085
`https://blockrun.ai/api/v1/pm/polymarket/events/keyset` List Polymarket events with cursor-based keyset pagination	GET	$0.0085
`https://blockrun.ai/api/v1/pm/markets/search` Search markets across Polymarket, Kalshi, Limitless, Opinion, and Predict.Fun in a single call	GET	$0.0085
`https://blockrun.ai/api/v1/voice/call` Initiate an AI-powered outbound phone call via Bland.ai.	POST	$0.54
`https://blockrun.ai/api/v1/pm/limitless/markets` List Limitless markets with filtering and sorting	GET	$0.0085
`https://blockrun.ai/api/v1/pm/polymarket/trades` Query historical Polymarket trade data with flexible filtering	GET	$0.0085
`https://blockrun.ai/api/v1/pm/polymarket/wallets/profiles` Batch retrieve wallet profiles for multiple addresses	GET	$0.0085
`https://blockrun.ai/api/v1/defillama/protocol/lido` Detailed TVL + breakdown for a single protocol. Pass slug as `/v1/defillama/protocol/{slug}` (e.g. `aave`, `uniswap`).	GET	$0.006

Source: x402 Bazaar discovery API (Coinbase CDP) · Licence: Public discovery metadata; descriptions by each provider. Listed in x402 pay-per-call APIs. We list tools; we do not test, rate or endorse them.

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