Pay-per-use LLM inference for agents: pay in USDC/USDT or per call via x402. 247 chat models.
Connect Remote server
claude mcp add --transport http trustai-pay https://pay.trustai.center/mcp --header "Authorization: Bearer <YOUR_API_KEY>"
{
"mcpServers": {
"trustai-pay": {
"url": "https://pay.trustai.center/mcp",
"headers": {
"Authorization": "Bearer <YOUR_API_KEY>"
}
}
}
}
{
"servers": {
"trustai-pay": {
"type": "http",
"url": "https://pay.trustai.center/mcp",
"headers": {
"Authorization": "Bearer <YOUR_API_KEY>"
}
}
}
}
Settings > Connectors > Add custom connector
URL: https://pay.trustai.center/mcp
Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools 12 found in our last check
list_modelsList servable text chat models with USD prices (pricing.vs_list vs maker list price). Pass include=discovery to also see image/video models (servable:false). Filter by modality, max output price, text search; sort by popularity or price.
list_trendingFeatured trending models with prices (ranked by recent tokens served when available, otherwise a curated ranking; see ranking field).
quotePrice check before paying: worst-case USD cost and exact x402 amount for a model + max_tokens (+ optional messages or input_tokens), with up to 3 cheaper trending alternatives. No key needed, never charges.
list_price_changesPrice-change feed: models whose price went down/up, or that were added/removed, since a date (default last 7 days), diffed between daily catalog syncs. Use type=price_down to find models that just got cheaper. No key needed.
get_balanceGet the credit balance, spend cap and amount spent for a tai_ API key.
create_topupCreate a stablecoin top-up order. Returns the deposit address, chain and the exact amount to send. Omit api_key to create a new key (returned once).
verify_topupConfirm a top-up after sending funds, by order id and transaction hash/signature. Credits the amount received (tolerance -0.5% or $0.01; other amounts need the sender's signature).
claim_topupCredit a stablecoin transfer to our address that has no matching order (or a non-exact amount). Requires the sending wallet's signature of 'trustai.center claim <chain>:<tx_hash>'. Max 7 days old, each tx once. Omit api_key to get a new key.
set_capSet spend controls on a tai_ key: total spend cap, daily limit (UTC day) and per-request max, in USD. Omit a field to keep it, pass null to remove it.
get_usageUsage and audit log for a tai_ key: recent charges (model, tokens, cost), top-ups, last-24h totals, balance and limits.
get_statsPublic platform stats from our database (tokens and requests in the last 24h, keys created, top models). Real numbers only.
chat_completionRun a chat completion billed to a tai_ key's credits.
Headers
| Name | Description |
|---|---|
AuthorizationOptional, secret | Optional. Bearer tai_... credit key. Without it, use create_topup to get one. |
Details
| Endpoint | https://pay.trustai.center/mcp (Streamable HTTP) |
| First published | 25 Oct 2026 |
| Last updated | 25 Oct 2026 |
| Registry name | center.trustai.pay/trustai-pay |
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