Platform
Third-Party

Third-Party

Every external dependency, what it costs, and why it is there.

Services

ServicePurposeCostNotes
AlchemyRobinhood Chain RPC for the indexer and oracle watcherFree tier → paidOwn node unnecessary until volume justifies it
SEC EDGAR full-text searchSource for 8-K / 13D/G filingsFreeRequires a User-Agent header; rate-limited
Nasdaq Trader + NYSE halt feedOfficial halt noticesFreeRSS/CSV, simple polling
News wire (Benzinga / Polygon.io)Earnings wires and breaking newsPaidFree sources are not fast enough for a 3 a.m. event
Anthropic Claude APILLM for the AI LayerPer-tokenTiering on its own page
Telegram Bot APIAlert channelFree
x402 facilitator (Coinbase)Per-scan agent paymentsFee per txOnly needed once agent traffic is real
NYSE/Nasdaq market calendarSession state and market holidaysFreeStatic data — vendor it into the repo

Not used

No separate vector database. pgvector as an extension on the existing Postgres is sufficient for filing and news retrieval.