GET /suppressions/{id}

Parameters

• id path · string · required

Responses

• 200 — Success
• 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_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, 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.
• 409 — The request conflicts with the current state. Codes: domain_already_exists, template_name_taken, template_in_use, segment_in_use, domain_verified_elsewhere, return_path_subdomain_in_use, overage_not_on_plan, term_not_on_sale, subscription_active, already_in_account, idempotency_in_flight, idempotency_payload_mismatch, approval_expired, support_closed, support_reopen_expired, support_merge_conflict.
• 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, 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.
• 503 — A dependency is unavailable for a moment. Codes: dns_unreachable, service_unavailable, billing_not_configured, rate_limiter_unavailable, sending_paused_everywhere.

Response headers

• ratelimit-limit — Messages this API key may spend in one 60-second window.
• ratelimit-remaining — Messages left in the current window.
• ratelimit-reset — Seconds until the current window resets and the budget refills.

Errors

The codes this operation can answer with, and what to do about each. Every one arrives with its code, message, fix and docs_url.

• internal_server_error (500) — Unexpected error. Fix: Retry ONCE after a short pause, with the same Idempotency-Key so the retry cannot double-send. If it fails again, stop retrying and report the x-request-id from the response — that id is what identifies this exact failure in support.
• rate_limit_exceeded (429) — Too many requests. Fix: Back off and retry honoring the Retry-After header.
• validation_error (400) — Error in one or more fields. Fix: Correct the fields listed in the error details and retry the request.