---
title: "Every immutable version, oldest first."
method: GET
path: "/templates/{id}/versions"
tags: ["templates"]
---

# Every immutable version, oldest first.

`GET /templates/{id}/versions`

## Request

- Base URL: `https://api.agentisend.com`
- URL: `https://api.agentisend.com/templates/{id}/versions`
- Auth: HTTP bearer

## Path parameters

- `id` string, required: The template id or its alias.

## Query parameters

- `limit` integer
- `cursor` string
- `after` string
- `before` string

## Response `200`

Success

- GetTemplatesByIdVersionsReply
  - `object` 'list', required
  - `data` object[], required
    - `id` string, uuid, required
    - `template_id` string, uuid, required
    - `version_number` integer, required
    - `status` 'draft' | 'published', required
    - `content` union, required
      - object
        - `mode` 'block', required: block, markdown or html.
        - `blocks` union[], required: Blocks, in order. At least one.
          - union
            - object
              - …
            - object
              - …
      - object
        - `mode` 'markdown' | 'html', required: markdown or html.
        - `source` string, required: The template source. At most 512 KB when writing.
    - `variables` object[], required
      - `name` string, required: Placeholder name, without the braces.
      - `type` 'string' | 'number' | 'boolean', required: string, number or boolean.
      - `required` boolean: A missing required value fails the render, unless preview is true.
      - `default` string: Used when the render call omits this name.
    - `subject` string, required
    - `from` string, nullable, required
    - `reply_to` string[], nullable, required
    - `text` string, nullable, required
    - `published_at` string, date-time, nullable, required
    - `rolled_back_from` integer, nullable, required
    - `created_at` string, date-time, required
  - `has_more` boolean, required
  - `next_cursor` string, nullable, required

## Other responses

- `400`: The request is malformed or a field failed validation. Codes: validation_error, invalid_idempotency_key, invalid_cursor, plan_not_purchasable, stripe_signature_invalid, support_upload_rejected, sign_in_check_required.
- `401`: No usable credential was sent. Codes: missing_api_key, session_required, mfa_required.
- `403`: The credential may not do this, or the account or key is stopped. Codes: sending_domain_blocked, young_domain_held, domain_sending_disabled, domain_not_verified, onboarding_recipient_not_a_member, onboarding_sender_unavailable, account_suspended, account_sandboxed, human_action_required, csrf_origin_rejected, charge_not_this_account, invalid_api_key, restricted_api_key, insufficient_role, invite_email_mismatch, domain_scope_violation, dedicated_ip_assigned_by_us, approval_required, staff_review_required, trust_paused, kill_switch_active.
- `404`: Nothing with this id exists on the account. Codes: billing_customer_missing, not_found, session_expired, support_ticket_not_found.
- `422`: A field is well formed but was refused. Codes: missing_required_field, invalid_from_address, invalid_parameter, invalid_attachment, invalid_region, tracking_subdomain_unverified, tracking_subdomain_cannot_be_removed, domain_field_immutable, open_tracking_on_transactional, header_replaced, html_clipped_by_gmail, link_domain_listed, domain_blocklisted, mailbox_provider_domain, onboarding_shape_refused, dkim_key_mismatch, domain_check_window_expired, spf_conflict, spf_lookup_limit, review_sandbox_recipient_only, suppressed_recipient, content_refused, recipient_blocklisted, last_owner_required, seat_limit_reached, invite_not_valid, key_budget_exceeds_plan, domain_limit_reached, webhook_endpoint_limit_reached.
- `429`: A rate, quota or ramp ceiling was reached. Codes: onboarding_daily_cap_reached, trust_throttled, invite_limit_reached, rate_ceiling_exceeded, daily_quota_exceeded, monthly_quota_exceeded, rate_limit_exceeded, support_rate_limited.
- `500`: Something failed on our side. Codes: internal_server_error.

---

[API](https://skmtc.dev/agentisend/apis/agentisend-api.md) · [All operations](https://skmtc.dev/agentisend/apis/agentisend-api/llms.txt) · [OpenAPI document](https://skmtc.dev/agentisend/apis/agentisend-api/revisions/3066dda62a56?raw)