# agentisend-com Billing API

**Canonical:** https://apis.io/apis/agentisend-com/agentisend-com-billing-api/  
**Provider:** agentisend-com — https://apis.io/providers/agentisend-com/  
**Base URL:** https://api.agentisend.com  
**Documentation:** https://agentisend.com/docs

agentisend-com Billing API is one of 29 APIs that [agentisend-com](https://apis.io/providers/agentisend-com/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. This API exposes 6 JSON Schema definitions. Tagged areas include billing. The published artifact set on APIs.io includes an OpenAPI specification and 6 JSON Schemas.

The billing API from agentisend-com — 10 operation(s) for billing.

## Operations (11)

| Method | Path | Summary |
|---|---|---|
| POST | `/billing/checkout` | Console: start a Stripe Checkout for a tier, term and volume |
| POST | `/billing/checkout/lifetime` | Console: start a one-time Stripe Checkout for a lifetime plan, or an upgrade to… |
| GET | `/billing/invoices` | Invoices and one-time receipts for this account, newest first |
| GET | `/billing/invoices/open` | Unpaid invoices for this account, oldest first, and the total still due |
| POST | `/billing/invoices/{id}/opened` | Record that this account opened an invoice or its PDF |
| PUT | `/billing/overage` | Console: turn opt-in overage on (with a ceiling of extra emails per period) or… |
| GET | `/billing/plan` | The plan in force (Free until one is bought), the plans, volumes and terms on… |
| POST | `/billing/plan` | Console: choose Free on the plan step |
| POST | `/billing/portal` | Console: open the Stripe customer portal — its home (card, invoices), or… |
| GET | `/billing/subscription` | Console: the signed-in account’s plan and subscription state |
| POST | `/webhooks/stripe` | Stripe → AgentiSend: signature-verified, deduplicated by event id |

## Machine-readable artifacts (7)

- **OpenAPI** — https://artifacts.apis.io/agentisend-com/openapi/agentisend-com-billing-api-openapi.yml
- **JSONSchema** — https://artifacts.apis.io/agentisend-com/json-schema/agentisend-com-get-billing-plan-reply-schema.json
- **JSONSchema** — https://artifacts.apis.io/agentisend-com/json-schema/agentisend-com-post-templates-by-id-publish-reply-schema.json
- **JSONSchema** — https://artifacts.apis.io/agentisend-com/json-schema/agentisend-com-get-deliverability-domains-by-id-reply-schema.json
- **JSONSchema** — https://artifacts.apis.io/agentisend-com/json-schema/agentisend-com-get-usage-reply-schema.json
- **JSONSchema** — https://artifacts.apis.io/agentisend-com/json-schema/agentisend-com-post-trust-appeal-reply-schema.json
- **JSONSchema** — https://artifacts.apis.io/agentisend-com/json-schema/agentisend-com-get-trust-standing-reply-schema.json

## Other agentisend-com APIs (12)

- [agentisend-com Accounts API](https://apis.io/apis/agentisend-com/agentisend-com-accounts-api/)
- [agentisend-com Agent Actions API](https://apis.io/apis/agentisend-com/agentisend-com-agent-actions-api/)
- [agentisend-com Agents API](https://apis.io/apis/agentisend-com/agentisend-com-agents-api/)
- [agentisend-com API Keys API](https://apis.io/apis/agentisend-com/agentisend-com-api-keys-api/)
- [agentisend-com Appsumo API](https://apis.io/apis/agentisend-com/agentisend-com-appsumo-api/)
- [agentisend-com Audit API](https://apis.io/apis/agentisend-com/agentisend-com-audit-api/)
- [agentisend-com Automations API](https://apis.io/apis/agentisend-com/agentisend-com-automations-api/)
- [agentisend-com Broadcasts API](https://apis.io/apis/agentisend-com/agentisend-com-broadcasts-api/)
- [agentisend-com Contacts API](https://apis.io/apis/agentisend-com/agentisend-com-contacts-api/)
- [agentisend-com Dedicated Ips API](https://apis.io/apis/agentisend-com/agentisend-com-dedicated-ips-api/)
- [agentisend-com Deliverability API](https://apis.io/apis/agentisend-com/agentisend-com-deliverability-api/)
- [agentisend-com Domains API](https://apis.io/apis/agentisend-com/agentisend-com-domains-api/)

## Tags

billing

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/agentisend-com/agentisend-com-billing-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/agentisend-com/.