# gpt55-token-gateway Gpt55 Model Gateway API

**Canonical:** https://apis.io/apis/558686-xyz/558686-xyz-gpt55-model-gateway-api/  
**Provider:** gpt55-token-gateway — https://apis.io/providers/558686-xyz/  
**Base URL:** https://gpt55.558686.xyz  
**Documentation:** https://gpt55.558686.xyz/x402/service

gpt55-token-gateway Gpt55 Model Gateway API is one of 13 APIs that [gpt55-token-gateway](https://apis.io/providers/558686-xyz/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include gpt55-model-gateway. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, an API reference, a getting-started guide, pricing, and rate-limit docs.

The gpt55-model-gateway API from gpt55-token-gateway — 27 operation(s) for gpt55-model-gateway.

## Operations (27)

| Method | Path | Summary |
|---|---|---|
| GET | `/v1/models` | models |
| POST | `/v1/chat/completions` | completions |
| POST | `/v1/chat/completions/standard` | GPT-5.6 Luna Standard chat completion |
| POST | `/v1/chat/completions/gpt-5.6-sol` | GPT-5.6 Soul chat completion |
| POST | `/v1/chat/completions/gpt-5.6-luna` | GPT-5.6 Luna chat completion |
| POST | `/v1/chat/completions/gpt-5.6-terra` | GPT-5.6 Terra chat completion |
| POST | `/v1/chat/completions/gpt-5.6` | GPT-5.6 Soul chat completion alias |
| POST | `/v1/chat/completions/gpt-5.5` | gpt-5.5 |
| POST | `/v1/chat/completions/gpt-5.3-codex` | gpt-5.3-codex |
| POST | `/v1/chat/completions/metered` | metered |
| GET | `/v1/paid/call-packs/gpt-5.6-sol-100` | gpt 5.6 sol 100 |
| GET | `/v1/paid/call-packs/gpt-5.6-luna-100` | gpt 5.6 luna 100 |
| GET | `/v1/paid/call-packs/gpt-5.6-terra-100` | gpt 5.6 terra 100 |
| GET | `/v1/paid/call-packs/gpt-5.5-100` | gpt 5.5 100 |
| GET | `/v1/paid/call-packs/gpt-5.3-codex-100` | gpt 5.3 codex 100 |
| POST | `/v1/tools/translate` | translate |
| POST | `/v1/tools/translate/standard` | standard |
| POST | `/v1/tools/translate/plus` | plus |
| POST | `/v1/tools/translate/professional` | professional |
| POST | `/v1/tools/summarize` | summarize |
| POST | `/v1/tools/rewrite` | rewrite |
| POST | `/v1/tools/answer` | answer |
| POST | `/v1/tools/code-review` | code review |
| POST | `/v1/tools/extract-json` | extract json |
| POST | `/v1/tools/sub2api-official-metered-invoice` | sub2api official metered invoice |
| POST | `/v1/tools/sub2api-balance-ledger-simulator` | sub2api balance ledger simulator |
| POST | `/v1/tools/gpt55-plus-half-price-subscription` | gpt55 plus half price subscription |

## Machine-readable artifacts (23)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/558686-xyz/refs/heads/main/openapi/558686-xyz-gpt55-model-gateway-api-openapi.yml
- **Documentation** — https://gpt55.558686.xyz/x402/guides/ai-agent-x402-api
- **APIReference** — https://gpt55.558686.xyz/buyer-guide
- **GettingStarted** — https://gpt55.558686.xyz/x402/guides/ai-agent-x402-api
- **Pricing** — https://gpt55.558686.xyz/pricing.json
- **Postman** — https://gpt55.558686.xyz/postman/collection.json
- **PostmanCollection** — https://raw.githubusercontent.com/api-evangelist/558686-xyz/refs/heads/main/postman/558686-xyz-gpt55-postman-collection.json
- **X402** — https://gpt55.558686.xyz/.well-known/x402
- **Examples** — https://raw.githubusercontent.com/api-evangelist/558686-xyz/refs/heads/main/examples/558686-xyz-standard-chat-example.json
- **Examples** — https://raw.githubusercontent.com/api-evangelist/558686-xyz/refs/heads/main/examples/558686-xyz-translate-canary-example.json
- **RateLimits** — https://raw.githubusercontent.com/api-evangelist/558686-xyz/refs/heads/main/rate-limits/558686-xyz-rate-limits.yml
- **ErrorCatalog** — https://raw.githubusercontent.com/api-evangelist/558686-xyz/refs/heads/main/errors/558686-xyz-problem-types.yml
- **Conventions** — https://raw.githubusercontent.com/api-evangelist/558686-xyz/refs/heads/main/conventions/558686-xyz-conventions.yml
- **Documentation** — https://gpt55.558686.xyz/api-market
- **Documentation** — https://sub2api.558686.xyz/docs/
- **GettingStarted** — https://sub2api.558686.xyz/docs/getting-started.html
- **Pricing** — https://sub2api.558686.xyz/pricing
- **Login** — https://sub2api.558686.xyz/login
- **APIsJson** — https://sub2api.558686.xyz/apis.json
- **LLMsTxt** — https://raw.githubusercontent.com/api-evangelist/558686-xyz/refs/heads/main/llms/558686-xyz-sub2api-llms.txt
- **Postman** — https://sub2api.558686.xyz/postman/sub2api.postman_collection.json
- **PostmanCollection** — https://raw.githubusercontent.com/api-evangelist/558686-xyz/refs/heads/main/postman/558686-xyz-sub2api-postman-collection.json
- **Authentication** — https://raw.githubusercontent.com/api-evangelist/558686-xyz/refs/heads/main/authentication/558686-xyz-authentication.yml

## Other gpt55-token-gateway APIs (12)

- [GPT55 x402 Gateway MCP Server](https://apis.io/apis/558686-xyz/gpt55-mcp-server/)
- [GPT55 Model Gateway A2A Agent](https://apis.io/apis/558686-xyz/gpt55-a2a-agent/)
- [gpt55-token-gateway Base Usdc API](https://apis.io/apis/558686-xyz/558686-xyz-base-usdc-api/)
- [gpt55-token-gateway Gpt55 Retained High Intent API](https://apis.io/apis/558686-xyz/558686-xyz-gpt55-retained-high-intent-api/)
- [gpt55-token-gateway Gpt55 Retained Nonmodel API](https://apis.io/apis/558686-xyz/558686-xyz-gpt55-retained-nonmodel-api/)
- [gpt55-token-gateway Models API](https://apis.io/apis/558686-xyz/558686-xyz-models-api/)
- [gpt55-token-gateway Responses API](https://apis.io/apis/558686-xyz/558686-xyz-responses-api/)
- [gpt55-token-gateway Utility Tools API](https://apis.io/apis/558686-xyz/558686-xyz-utility-tools-api/)
- [gpt55-token-gateway Wallet Security API](https://apis.io/apis/558686-xyz/558686-xyz-wallet-security-api/)
- [gpt55-token-gateway Wallet Signing Safety Pack API](https://apis.io/apis/558686-xyz/558686-xyz-wallet-signing-safety-pack-api/)
- [gpt55-token-gateway X402 API](https://apis.io/apis/558686-xyz/558686-xyz-x402-api/)
- [gpt55-token-gateway Chat Completions API](https://apis.io/apis/558686-xyz/558686-xyz-chat-completions-api/)

## Tags

gpt55-model-gateway

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/558686-xyz/558686-xyz-gpt55-model-gateway-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/558686-xyz/.