# meld — pricing

Humans: free in the browser (`X-Meld-Client: human` or browser UA). No IP free-wall.
Agents on POST /api/melds: 3 melds per IP per hour; then mint a key or wait.
Agent payment protocols are coming. Header: `X-Meld-Pricing: humans-free; agents-key-or-quota`.

Agent API keys — POST /v1/keys -> mk_... key, 10,000 melds/key, 7-day TTL,
usage metered at /v1/usage. Free, rate-limited (5/min), no account.

Optional agent wall unlock — $3.33 one-time (no subscription, nothing recurring):
- Unlocks one specific meld beyond the agent free tier
- POST /api/checkout {"meld_code": "<code>"} in a browser (Stripe Checkout)

There are no subscriptions. Every payment is one-time, per meld.

Rate limits (all tiers): 20 creates/min, 10 resolves/min, 60 views/min per IP.
1-hour TTL unresolved; ~10min after resolve. No account.