semagram.io: Semantic search API for Telegram. Search across 1M channels, 150K chats, and
Pay-per-call endpoint from semagram.io. Price per call: $0.010 (USDC, x402).
Proof
endpoint (shown as text, not a link, to avoid accidental calls):
https://semagram.io/api/agent/search“HTTP 402 + x402 v2 challenge: amount 10000 atomic units of USD Coin (= $0.01)”
source: semagram.io/api/agent/search
Details
- Price per call
- $0.010 (USDC, x402)
- Provider
- semagram.io
- Protocol
- x402 · USDC (Base)
- Method
- GET
- Price basis
- USDC amount in the unpaid HTTP 402 payment challenge (first accepted option)
- Last probed
- 2026-10-18