kitio.aiNevermined vs Postfleet
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Postfleet has the lower starting price: about $7 a month, against $20 for Nevermined.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Agent spend mandates
- AI services catalog
- MCP server and SDKs
- Payment plans for sellers
- Purchase attribution
- Agent mailboxes
- Prompt injection screening
- Schema-based extraction
- Email classification
- REST and MCP access
| Feature | Nevermined | Postfleet |
|---|---|---|
| Best for | Payments and spend controls that let AI agents buy services | Email inboxes for AI agents with prompt-injection screening |
| Category | Agents & automation | Agents & automation |
| Pricing model | Freemium | Freemium |
| Starting price | $20/mo | $7/mo |
| Free plan | Yes | Yes |
| Made by | Nevermined | Postfleet |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
|
Pricing compared
Postfleet has the lower starting price: about $7 a month, against $20 for Nevermined.
Free plan
Cheapest paid plan
Top plan
Free trial
5 plans
Free
Free
- 20 agents, 10 payment plans
- 2,000 free catalog credits
Catalog
$20/mo
- 20,000 catalog credits a month
- Or $10 credit packs
Starter
$50/mo
- Embedded payments in your product
- For organizations
Premium
$250/mo
- Team seats and groups
- Analytics
Enterprise
$500/mo
- Customer management
- No caps
4 plans
Free
Free
- 100 messages to JSON per month
- 3 mailboxes
- 3,000 sends per month
Starter
$7/mo
- 250 messages to JSON per month
- 5 mailboxes
- Email support
Pro
$20/mo
- 1,500 messages to JSON per month
- 10 mailboxes
- Custom sending domains
Scale
$200/mo
- 25,000+ messages to JSON
- 150 mailboxes
- Multiple custom domains
Prices in USD, checked Nov 5, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Nevermined
- Clear limits on what agents can spend
- Free solo account
- Works with popular coding agents
- Transaction fee on settled payments
- Organization plans get pricey
- Some payment rails not live yet
Postfleet
- Free tier with no card
- Strips hidden content before the model
- Typed JSON output
- Model checks capped by monthly limits
- Aimed at developers only
- Custom domains start on Pro
Which one should you choose?
Choose Nevermined if you want:
- Clear limits on what agents can spend
- Free solo account
- Works with popular coding agents
Watch out: transaction fee on settled payments.
Choose Postfleet if you want:
- Free tier with no card
- Strips hidden content before the model
- Typed JSON output
Watch out: model checks capped by monthly limits.
Nevermined vs Postfleet FAQ
What is the difference between Nevermined and Postfleet?
Nevermined: Payments and spend controls that let AI agents buy services. Postfleet: Email inboxes for AI agents with prompt-injection screening. Both are agents & automation tools.
Is Nevermined or Postfleet cheaper?
Postfleet has the lower starting price: about $7 a month, against $20 for Nevermined.
Do Nevermined and Postfleet have free plans?
Nevermined: Yes. Postfleet: Yes.
Who makes Nevermined?
Nevermined is made by Nevermined.
Who makes Postfleet?
Postfleet is made by Postfleet.
Which should I choose, Nevermined or Postfleet?
Choose Nevermined if you value clear limits on what agents can spend and free solo account. Choose Postfleet if you value free tier with no card and strips hidden content before the model.