Seams handles access, spend caps, and metering on one request path
AI-gateway that meters and caps customer spend mid-stream, down to the cent.
Seams sits between your product and model providers as a gateway your customers call under model names and routing you control, holding money on a balance before a request leaves and re-checking accumulated spend every 250ms while the response streams. If a caller nears their cap, it aborts the provider connection at 98% of the hold and settles the ledger to the cent — no overnight reconciliation. It leaves invoicing, tax and merchant-of-record status to Stripe, and only meters text and agent traffic, not embeddings, images or audio.
What holds up
- +Re-checks spend every 250ms while streaming and aborts at 98% of the hold, mid-response
- +Settles every call to the cent on the request path — nothing reconciled overnight
- +Customers get a hosted usage/billing portal under your name and domain, not Seams'
- +Model names, routing and caps are yours to change without redeploying a client
Mind the limits
- −Only meters text and agent traffic — embeddings, images and audio aren't covered
- −Doesn't touch invoicing, tax or dunning — you still wire that up through Stripe
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