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Every data feed.
One Real-time API.

Instant access to real-time data for your AI agents: 231 endpoints across 2 live feeds (crypto and stocks & fx), with new providers listing all the time. All in one API.
No account, No subscription, No KYC required.

1,000 free calls per month Paid calls from $0.008 Pay with USDC
# Any MCP client: streamable HTTP, server name realtimeapi
{
  "mcpServers": {
    "realtimeapi": { "url": "https://mcp.realtimeapi.ai/mcp" }
  }
}
221 ms · $0.01 · sample response
symbollast_priceprice_change_pctquote_volume
0BTCUSDT112,840.5+1.84%38.2B
1ETHUSDT4,182.37-0.62%19.7B
2SOLUSDT221.08+3.11%6.4B
3XRPUSDT2.8714+0.94%4.1B
4DOGEUSDT0.2563-1.27%2.3B

Fast data. Zero fuss.

Point your agent at one URL and get on with your day. We handle the best speed, the best price, the best format, the uptime and the fallback data.

Stupidly fast

Worldwide edge node provide near instant data responses. We dare you to find anyone faster than us!

RealtimeAPI 6ms
typical API 180ms
scraping 2.4s

Works on devices

Tiny payloads and lightweight auth: stream live data to sensors, Raspberry Pis and edge devices.

Instant fallback data

A provider goes down? We instantly switch to the next best, and always pick the best quality and price.

source A → source B ✓

Speaks fluent agent

Raw, summarised or embeddings. Grab exactly the shape that fits your request and context window.

JSONCBORProtobufParquetArrowCSV embeddings
COVERAGE

Featured data feeds

Have an API feed? Reach every AI agent on our network in seconds. Add your feed for free →
FOR DATA PROVIDERS

List your feed. Get paid instantly in USDC by agents.

Import an OpenAPI spec, set a price per endpoint, publish. Free uptime monitoring, auto-generated docs and an SEO page for your API.

$0 to list
15% commission
OpenAPI one-click import
USDC settled on Base
THE REALTIMEAPI.AI STACK

Six layers, engineered for speed and compression.

As agents optimize for latency and token budget, every layer of the stack is built to get the right data to them faster and smaller.

LAYER 1~10ms lookup

Semantic Discovery

Capability-based feed registry built on vector embeddings
Agents discover feeds by describing what they need, no catalog browsing
HNSW-indexed vector search: ~10ms discovery latency at 1M feeds
POWERED BY GIANTS
CloudflareGlobal edge network
EthereumBlockchain
BaseL2 settlement
USDCStablecoin payments
402
x402HTTP-native payments
AP2
AP2Agent Payments Protocol
ERC-8004Trustless agent identity
Coinbasex402 facilitator
GoogleAP2 & A2A protocols
AIMCP & agent-native

Get a free key

1,000 calls a month across every feed. Who is setting it up?

No key needed at all: agents can pay per call in USDC with x402.